Home / 87,646.50-120,976.98-51,848.95

Finding the Fourth Proportional to 87,646.50, 120,976.98 and 51,848.95

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Solution

The fourth proportional to 87,646.50, 120,976.98 and 51,848.95 is: 71,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.50 : 120,976.98 = 51,848.95 : x
  2. Step 2: Convert to fraction form
    87,646.50/120,976.98 = 51,848.95/x
  3. Step 3: Cross multiply
    87,646.50x = 120,976.98 × 51,848.95
  4. Step 4: Simplify right side
    87,646.50x = 6,272,529,387.17
  5. Step 5: Solve for x
    x = 6,272,529,387.17/87,646.50
  6. Step 6: Final answer
    x = 71,566.23

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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.