Home / 66,332.52-99,508.50-19,579.32

Finding the Fourth Proportional to 66,332.52, 99,508.50 and 19,579.32

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Solution

The fourth proportional to 66,332.52, 99,508.50 and 19,579.32 is: 29,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.52 : 99,508.50 = 19,579.32 : x
  2. Step 2: Convert to fraction form
    66,332.52/99,508.50 = 19,579.32/x
  3. Step 3: Cross multiply
    66,332.52x = 99,508.50 × 19,579.32
  4. Step 4: Simplify right side
    66,332.52x = 1,948,308,764.22
  5. Step 5: Solve for x
    x = 1,948,308,764.22/66,332.52
  6. Step 6: Final answer
    x = 29,371.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.