Home / 88,685.07-122,388.10-50,450.16

Finding the Fourth Proportional to 88,685.07, 122,388.10 and 50,450.16

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Solution

The fourth proportional to 88,685.07, 122,388.10 and 50,450.16 is: 69,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.07 : 122,388.10 = 50,450.16 : x
  2. Step 2: Convert to fraction form
    88,685.07/122,388.10 = 50,450.16/x
  3. Step 3: Cross multiply
    88,685.07x = 122,388.10 × 50,450.16
  4. Step 4: Simplify right side
    88,685.07x = 6,174,499,100.97
  5. Step 5: Solve for x
    x = 6,174,499,100.97/88,685.07
  6. Step 6: Final answer
    x = 69,622.76

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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.