Home / 88,684.07-122,386.72-50,449.16

Finding the Fourth Proportional to 88,684.07, 122,386.72 and 50,449.16

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Solution

The fourth proportional to 88,684.07, 122,386.72 and 50,449.16 is: 69,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.07 : 122,386.72 = 50,449.16 : x
  2. Step 2: Convert to fraction form
    88,684.07/122,386.72 = 50,449.16/x
  3. Step 3: Cross multiply
    88,684.07x = 122,386.72 × 50,449.16
  4. Step 4: Simplify right side
    88,684.07x = 6,174,307,219.16
  5. Step 5: Solve for x
    x = 6,174,307,219.16/88,684.07
  6. Step 6: Final answer
    x = 69,621.38

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Double scale
Find fourth proportional to 88,685.07, 122,388.10 and 50,450.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.