Home / 99,926.92-137,897.49-54,603.93

Finding the Fourth Proportional to 99,926.92, 137,897.49 and 54,603.93

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Solution

The fourth proportional to 99,926.92, 137,897.49 and 54,603.93 is: 75,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.92 : 137,897.49 = 54,603.93 : x
  2. Step 2: Convert to fraction form
    99,926.92/137,897.49 = 54,603.93/x
  3. Step 3: Cross multiply
    99,926.92x = 137,897.49 × 54,603.93
  4. Step 4: Simplify right side
    99,926.92x = 7,529,744,891.14
  5. Step 5: Solve for x
    x = 7,529,744,891.14/99,926.92
  6. Step 6: Final answer
    x = 75,352.52

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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.