Home / 89,255.01-133,789.10-30,070.23

Finding the Fourth Proportional to 89,255.01, 133,789.10 and 30,070.23

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Solution

The fourth proportional to 89,255.01, 133,789.10 and 30,070.23 is: 45,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.01 : 133,789.10 = 30,070.23 : x
  2. Step 2: Convert to fraction form
    89,255.01/133,789.10 = 30,070.23/x
  3. Step 3: Cross multiply
    89,255.01x = 133,789.10 × 30,070.23
  4. Step 4: Simplify right side
    89,255.01x = 4,023,069,008.49
  5. Step 5: Solve for x
    x = 4,023,069,008.49/89,255.01
  6. Step 6: Final answer
    x = 45,073.87

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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.