Home / 81,789.02-122,683.52-22,623.15

Finding the Fourth Proportional to 81,789.02, 122,683.52 and 22,623.15

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Solution

The fourth proportional to 81,789.02, 122,683.52 and 22,623.15 is: 33,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,789.02 : 122,683.52 = 22,623.15 : x
  2. Step 2: Convert to fraction form
    81,789.02/122,683.52 = 22,623.15/x
  3. Step 3: Cross multiply
    81,789.02x = 122,683.52 × 22,623.15
  4. Step 4: Simplify right side
    81,789.02x = 2,775,487,533.83
  5. Step 5: Solve for x
    x = 2,775,487,533.83/81,789.02
  6. Step 6: Final answer
    x = 33,934.72

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Similar ratio
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1.5x scale

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.