Home / 99,604.18-137,451.99-54,281.89

Finding the Fourth Proportional to 99,604.18, 137,451.99 and 54,281.89

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Solution

The fourth proportional to 99,604.18, 137,451.99 and 54,281.89 is: 74,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,604.18 : 137,451.99 = 54,281.89 : x
  2. Step 2: Convert to fraction form
    99,604.18/137,451.99 = 54,281.89/x
  3. Step 3: Cross multiply
    99,604.18x = 137,451.99 × 54,281.89
  4. Step 4: Simplify right side
    99,604.18x = 7,461,153,801.46
  5. Step 5: Solve for x
    x = 7,461,153,801.46/99,604.18
  6. Step 6: Final answer
    x = 74,908.04

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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.