Home / 71,084.11-106,534.12-28,915.24

Finding the Fourth Proportional to 71,084.11, 106,534.12 and 28,915.24

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Solution

The fourth proportional to 71,084.11, 106,534.12 and 28,915.24 is: 43,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.11 : 106,534.12 = 28,915.24 : x
  2. Step 2: Convert to fraction form
    71,084.11/106,534.12 = 28,915.24/x
  3. Step 3: Cross multiply
    71,084.11x = 106,534.12 × 28,915.24
  4. Step 4: Simplify right side
    71,084.11x = 3,080,458,970.74
  5. Step 5: Solve for x
    x = 3,080,458,970.74/71,084.11
  6. Step 6: Final answer
    x = 43,335.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.