Home / 93,939.92-129,640.24-51,500.96

Finding the Fourth Proportional to 93,939.92, 129,640.24 and 51,500.96

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Solution

The fourth proportional to 93,939.92, 129,640.24 and 51,500.96 is: 71,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.92 : 129,640.24 = 51,500.96 : x
  2. Step 2: Convert to fraction form
    93,939.92/129,640.24 = 51,500.96/x
  3. Step 3: Cross multiply
    93,939.92x = 129,640.24 × 51,500.96
  4. Step 4: Simplify right side
    93,939.92x = 6,676,596,814.63
  5. Step 5: Solve for x
    x = 6,676,596,814.63/93,939.92
  6. Step 6: Final answer
    x = 71,073.05

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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.