Home / 99,633.83-137,491.94-54,312.70

Finding the Fourth Proportional to 99,633.83, 137,491.94 and 54,312.70

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Solution

The fourth proportional to 99,633.83, 137,491.94 and 54,312.70 is: 74,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.83 : 137,491.94 = 54,312.70 : x
  2. Step 2: Convert to fraction form
    99,633.83/137,491.94 = 54,312.70/x
  3. Step 3: Cross multiply
    99,633.83x = 137,491.94 × 54,312.70
  4. Step 4: Simplify right side
    99,633.83x = 7,467,557,874.34
  5. Step 5: Solve for x
    x = 7,467,557,874.34/99,633.83
  6. Step 6: Final answer
    x = 74,950.02

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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.