Home / 89,207.06-123,097.13-53,396.30

Finding the Fourth Proportional to 89,207.06, 123,097.13 and 53,396.30

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Solution

The fourth proportional to 89,207.06, 123,097.13 and 53,396.30 is: 73,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,207.06 : 123,097.13 = 53,396.30 : x
  2. Step 2: Convert to fraction form
    89,207.06/123,097.13 = 53,396.30/x
  3. Step 3: Cross multiply
    89,207.06x = 123,097.13 × 53,396.30
  4. Step 4: Simplify right side
    89,207.06x = 6,572,931,282.62
  5. Step 5: Solve for x
    x = 6,572,931,282.62/89,207.06
  6. Step 6: Final answer
    x = 73,681.74

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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.