Home / 99,381.49-137,148.96-54,062.02

Finding the Fourth Proportional to 99,381.49, 137,148.96 and 54,062.02

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Solution

The fourth proportional to 99,381.49, 137,148.96 and 54,062.02 is: 74,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,381.49 : 137,148.96 = 54,062.02 : x
  2. Step 2: Convert to fraction form
    99,381.49/137,148.96 = 54,062.02/x
  3. Step 3: Cross multiply
    99,381.49x = 137,148.96 × 54,062.02
  4. Step 4: Simplify right side
    99,381.49x = 7,414,549,818.50
  5. Step 5: Solve for x
    x = 7,414,549,818.50/99,381.49
  6. Step 6: Final answer
    x = 74,606.95

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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.