Home / 54,000.29-74,520.19-30,126.98

Finding the Fourth Proportional to 54,000.29, 74,520.19 and 30,126.98

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Solution

The fourth proportional to 54,000.29, 74,520.19 and 30,126.98 is: 41,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.29 : 74,520.19 = 30,126.98 : x
  2. Step 2: Convert to fraction form
    54,000.29/74,520.19 = 30,126.98/x
  3. Step 3: Cross multiply
    54,000.29x = 74,520.19 × 30,126.98
  4. Step 4: Simplify right side
    54,000.29x = 2,245,068,273.73
  5. Step 5: Solve for x
    x = 2,245,068,273.73/54,000.29
  6. Step 6: Final answer
    x = 41,575.12

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1.5x scale

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.