Home / 89,901.68-124,067.30-49,068.04

Finding the Fourth Proportional to 89,901.68, 124,067.30 and 49,068.04

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Solution

The fourth proportional to 89,901.68, 124,067.30 and 49,068.04 is: 67,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,901.68 : 124,067.30 = 49,068.04 : x
  2. Step 2: Convert to fraction form
    89,901.68/124,067.30 = 49,068.04/x
  3. Step 3: Cross multiply
    89,901.68x = 124,067.30 × 49,068.04
  4. Step 4: Simplify right side
    89,901.68x = 6,087,739,239.09
  5. Step 5: Solve for x
    x = 6,087,739,239.09/89,901.68
  6. Step 6: Final answer
    x = 67,715.52

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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.