Home / 69,330.40-103,721.98-52,511.86

Finding the Fourth Proportional to 69,330.40, 103,721.98 and 52,511.86

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Solution

The fourth proportional to 69,330.40, 103,721.98 and 52,511.86 is: 78,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,330.40 : 103,721.98 = 52,511.86 : x
  2. Step 2: Convert to fraction form
    69,330.40/103,721.98 = 52,511.86/x
  3. Step 3: Cross multiply
    69,330.40x = 103,721.98 × 52,511.86
  4. Step 4: Simplify right side
    69,330.40x = 5,446,634,092.68
  5. Step 5: Solve for x
    x = 5,446,634,092.68/69,330.40
  6. Step 6: Final answer
    x = 78,560.55

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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.