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Finding the Fourth Proportional to 93,695.88, 129,342.54 and 59,749.92

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Solution

The fourth proportional to 93,695.88, 129,342.54 and 59,749.92 is: 82,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,695.88 : 129,342.54 = 59,749.92 : x
  2. Step 2: Convert to fraction form
    93,695.88/129,342.54 = 59,749.92/x
  3. Step 3: Cross multiply
    93,695.88x = 129,342.54 × 59,749.92
  4. Step 4: Simplify right side
    93,695.88x = 7,728,206,417.60
  5. Step 5: Solve for x
    x = 7,728,206,417.60/93,695.88
  6. Step 6: Final answer
    x = 82,481.82

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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.