Home / 93,712.62-129,344.18-64,681.75

Finding the Fourth Proportional to 93,712.62, 129,344.18 and 64,681.75

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Solution

The fourth proportional to 93,712.62, 129,344.18 and 64,681.75 is: 89,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,712.62 : 129,344.18 = 64,681.75 : x
  2. Step 2: Convert to fraction form
    93,712.62/129,344.18 = 64,681.75/x
  3. Step 3: Cross multiply
    93,712.62x = 129,344.18 × 64,681.75
  4. Step 4: Simplify right side
    93,712.62x = 8,366,207,267.95
  5. Step 5: Solve for x
    x = 8,366,207,267.95/93,712.62
  6. Step 6: Final answer
    x = 89,275.14

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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.