Home / 99,555.67-137,384.91-54,233.14

Finding the Fourth Proportional to 99,555.67, 137,384.91 and 54,233.14

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Solution

The fourth proportional to 99,555.67, 137,384.91 and 54,233.14 is: 74,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,555.67 : 137,384.91 = 54,233.14 : x
  2. Step 2: Convert to fraction form
    99,555.67/137,384.91 = 54,233.14/x
  3. Step 3: Cross multiply
    99,555.67x = 137,384.91 × 54,233.14
  4. Step 4: Simplify right side
    99,555.67x = 7,450,815,057.92
  5. Step 5: Solve for x
    x = 7,450,815,057.92/99,555.67
  6. Step 6: Final answer
    x = 74,840.69

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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.