Home / 93,980.17-129,708.92-71,281.16

Finding the Fourth Proportional to 93,980.17, 129,708.92 and 71,281.16

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Solution

The fourth proportional to 93,980.17, 129,708.92 and 71,281.16 is: 98,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,980.17 : 129,708.92 = 71,281.16 : x
  2. Step 2: Convert to fraction form
    93,980.17/129,708.92 = 71,281.16/x
  3. Step 3: Cross multiply
    93,980.17x = 129,708.92 × 71,281.16
  4. Step 4: Simplify right side
    93,980.17x = 9,245,802,825.15
  5. Step 5: Solve for x
    x = 9,245,802,825.15/93,980.17
  6. Step 6: Final answer
    x = 98,380.35

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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.