Home / 89,899.68-124,064.54-49,066.04

Finding the Fourth Proportional to 89,899.68, 124,064.54 and 49,066.04

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Solution

The fourth proportional to 89,899.68, 124,064.54 and 49,066.04 is: 67,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,899.68 : 124,064.54 = 49,066.04 : x
  2. Step 2: Convert to fraction form
    89,899.68/124,064.54 = 49,066.04/x
  3. Step 3: Cross multiply
    89,899.68x = 124,064.54 × 49,066.04
  4. Step 4: Simplify right side
    89,899.68x = 6,087,356,115.05
  5. Step 5: Solve for x
    x = 6,087,356,115.05/89,899.68
  6. Step 6: Final answer
    x = 67,712.77

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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.