Home / 85,121.21-117,466.34-46,880.03

Finding the Fourth Proportional to 85,121.21, 117,466.34 and 46,880.03

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Solution

The fourth proportional to 85,121.21, 117,466.34 and 46,880.03 is: 64,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121.21 : 117,466.34 = 46,880.03 : x
  2. Step 2: Convert to fraction form
    85,121.21/117,466.34 = 46,880.03/x
  3. Step 3: Cross multiply
    85,121.21x = 117,466.34 × 46,880.03
  4. Step 4: Simplify right side
    85,121.21x = 5,506,825,602.46
  5. Step 5: Solve for x
    x = 5,506,825,602.46/85,121.21
  6. Step 6: Final answer
    x = 64,693.93

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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.