Home / 99,600.98-137,447.50-54,279.27

Finding the Fourth Proportional to 99,600.98, 137,447.50 and 54,279.27

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Solution

The fourth proportional to 99,600.98, 137,447.50 and 54,279.27 is: 74,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.98 : 137,447.50 = 54,279.27 : x
  2. Step 2: Convert to fraction form
    99,600.98/137,447.50 = 54,279.27/x
  3. Step 3: Cross multiply
    99,600.98x = 137,447.50 × 54,279.27
  4. Step 4: Simplify right side
    99,600.98x = 7,460,549,691.93
  5. Step 5: Solve for x
    x = 7,460,549,691.93/99,600.98
  6. Step 6: Final answer
    x = 74,904.38

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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.