Home / 89,087.20-133,371.60-54,008.80

Finding the Fourth Proportional to 89,087.20, 133,371.60 and 54,008.80

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Solution

The fourth proportional to 89,087.20, 133,371.60 and 54,008.80 is: 80,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,087.20 : 133,371.60 = 54,008.80 : x
  2. Step 2: Convert to fraction form
    89,087.20/133,371.60 = 54,008.80/x
  3. Step 3: Cross multiply
    89,087.20x = 133,371.60 × 54,008.80
  4. Step 4: Simplify right side
    89,087.20x = 7,203,240,070.08
  5. Step 5: Solve for x
    x = 7,203,240,070.08/89,087.20
  6. Step 6: Final answer
    x = 80,856.06

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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.