Home / 89,354.10-123,302.53-49,070.47

Finding the Fourth Proportional to 89,354.10, 123,302.53 and 49,070.47

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Solution

The fourth proportional to 89,354.10, 123,302.53 and 49,070.47 is: 67,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,354.10 : 123,302.53 = 49,070.47 : x
  2. Step 2: Convert to fraction form
    89,354.10/123,302.53 = 49,070.47/x
  3. Step 3: Cross multiply
    89,354.10x = 123,302.53 × 49,070.47
  4. Step 4: Simplify right side
    89,354.10x = 6,050,513,099.29
  5. Step 5: Solve for x
    x = 6,050,513,099.29/89,354.10
  6. Step 6: Final answer
    x = 67,713.88

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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.