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Finding the Fourth Proportional to 93,710.72, 129,377.04 and 57,948.68

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Solution

The fourth proportional to 93,710.72, 129,377.04 and 57,948.68 is: 80,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,710.72 : 129,377.04 = 57,948.68 : x
  2. Step 2: Convert to fraction form
    93,710.72/129,377.04 = 57,948.68/x
  3. Step 3: Cross multiply
    93,710.72x = 129,377.04 × 57,948.68
  4. Step 4: Simplify right side
    93,710.72x = 7,497,228,690.31
  5. Step 5: Solve for x
    x = 7,497,228,690.31/93,710.72
  6. Step 6: Final answer
    x = 80,003.96

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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.