Home / 93,947.16-129,545.82-71,327.64

Finding the Fourth Proportional to 93,947.16, 129,545.82 and 71,327.64

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Solution

The fourth proportional to 93,947.16, 129,545.82 and 71,327.64 is: 98,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,947.16 : 129,545.82 = 71,327.64 : x
  2. Step 2: Convert to fraction form
    93,947.16/129,545.82 = 71,327.64/x
  3. Step 3: Cross multiply
    93,947.16x = 129,545.82 × 71,327.64
  4. Step 4: Simplify right side
    93,947.16x = 9,240,197,612.46
  5. Step 5: Solve for x
    x = 9,240,197,612.46/93,947.16
  6. Step 6: Final answer
    x = 98,355.26

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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.