Home / 93,939.01-129,641.05-53,665.85

Finding the Fourth Proportional to 93,939.01, 129,641.05 and 53,665.85

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Solution

The fourth proportional to 93,939.01, 129,641.05 and 53,665.85 is: 74,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.01 : 129,641.05 = 53,665.85 : x
  2. Step 2: Convert to fraction form
    93,939.01/129,641.05 = 53,665.85/x
  3. Step 3: Cross multiply
    93,939.01x = 129,641.05 × 53,665.85
  4. Step 4: Simplify right side
    93,939.01x = 6,957,297,143.14
  5. Step 5: Solve for x
    x = 6,957,297,143.14/93,939.01
  6. Step 6: Final answer
    x = 74,061.85

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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.