Home / 99,741.62-137,624.64-59,459.13

Finding the Fourth Proportional to 99,741.62, 137,624.64 and 59,459.13

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Solution

The fourth proportional to 99,741.62, 137,624.64 and 59,459.13 is: 82,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741.62 : 137,624.64 = 59,459.13 : x
  2. Step 2: Convert to fraction form
    99,741.62/137,624.64 = 59,459.13/x
  3. Step 3: Cross multiply
    99,741.62x = 137,624.64 × 59,459.13
  4. Step 4: Simplify right side
    99,741.62x = 8,183,041,063.67
  5. Step 5: Solve for x
    x = 8,183,041,063.67/99,741.62
  6. Step 6: Final answer
    x = 82,042.39

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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.