Home / 63,815.40-95,726.76-19,443.60

Finding the Fourth Proportional to 63,815.40, 95,726.76 and 19,443.60

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Solution

The fourth proportional to 63,815.40, 95,726.76 and 19,443.60 is: 29,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,815.40 : 95,726.76 = 19,443.60 : x
  2. Step 2: Convert to fraction form
    63,815.40/95,726.76 = 19,443.60/x
  3. Step 3: Cross multiply
    63,815.40x = 95,726.76 × 19,443.60
  4. Step 4: Simplify right side
    63,815.40x = 1,861,272,830.74
  5. Step 5: Solve for x
    x = 1,861,272,830.74/63,815.40
  6. Step 6: Final answer
    x = 29,166.52

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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.