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Finding the Fourth Proportional to 93,737.70, 129,357.54 and 51,296.94

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Solution

The fourth proportional to 93,737.70, 129,357.54 and 51,296.94 is: 70,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,737.70 : 129,357.54 = 51,296.94 : x
  2. Step 2: Convert to fraction form
    93,737.70/129,357.54 = 51,296.94/x
  3. Step 3: Cross multiply
    93,737.70x = 129,357.54 × 51,296.94
  4. Step 4: Simplify right side
    93,737.70x = 6,635,645,967.93
  5. Step 5: Solve for x
    x = 6,635,645,967.93/93,737.70
  6. Step 6: Final answer
    x = 70,789.51

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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.