Home / 99,335.42-137,079.13-54,011.83

Finding the Fourth Proportional to 99,335.42, 137,079.13 and 54,011.83

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Solution

The fourth proportional to 99,335.42, 137,079.13 and 54,011.83 is: 74,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.42 : 137,079.13 = 54,011.83 : x
  2. Step 2: Convert to fraction form
    99,335.42/137,079.13 = 54,011.83/x
  3. Step 3: Cross multiply
    99,335.42x = 137,079.13 × 54,011.83
  4. Step 4: Simplify right side
    99,335.42x = 7,403,894,666.11
  5. Step 5: Solve for x
    x = 7,403,894,666.11/99,335.42
  6. Step 6: Final answer
    x = 74,534.29

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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.