Home / 89,614.02-123,666.40-49,326.92

Finding the Fourth Proportional to 89,614.02, 123,666.40 and 49,326.92

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Solution

The fourth proportional to 89,614.02, 123,666.40 and 49,326.92 is: 68,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.02 : 123,666.40 = 49,326.92 : x
  2. Step 2: Convert to fraction form
    89,614.02/123,666.40 = 49,326.92/x
  3. Step 3: Cross multiply
    89,614.02x = 123,666.40 × 49,326.92
  4. Step 4: Simplify right side
    89,614.02x = 6,100,082,001.16
  5. Step 5: Solve for x
    x = 6,100,082,001.16/89,614.02
  6. Step 6: Final answer
    x = 68,070.62

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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.