Home / 89,023.31-133,534.55-36,432.80

Finding the Fourth Proportional to 89,023.31, 133,534.55 and 36,432.80

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Solution

The fourth proportional to 89,023.31, 133,534.55 and 36,432.80 is: 54,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.31 : 133,534.55 = 36,432.80 : x
  2. Step 2: Convert to fraction form
    89,023.31/133,534.55 = 36,432.80/x
  3. Step 3: Cross multiply
    89,023.31x = 133,534.55 × 36,432.80
  4. Step 4: Simplify right side
    89,023.31x = 4,865,036,703.40
  5. Step 5: Solve for x
    x = 4,865,036,703.40/89,023.31
  6. Step 6: Final answer
    x = 54,649.02

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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.