Home / 99,217.01-136,920.49-53,895.89

Finding the Fourth Proportional to 99,217.01, 136,920.49 and 53,895.89

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Solution

The fourth proportional to 99,217.01, 136,920.49 and 53,895.89 is: 74,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.01 : 136,920.49 = 53,895.89 : x
  2. Step 2: Convert to fraction form
    99,217.01/136,920.49 = 53,895.89/x
  3. Step 3: Cross multiply
    99,217.01x = 136,920.49 × 53,895.89
  4. Step 4: Simplify right side
    99,217.01x = 7,379,450,848.44
  5. Step 5: Solve for x
    x = 7,379,450,848.44/99,217.01
  6. Step 6: Final answer
    x = 74,376.88

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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.