Home / 99,453.16-137,233.20-59,168.62

Finding the Fourth Proportional to 99,453.16, 137,233.20 and 59,168.62

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Solution

The fourth proportional to 99,453.16, 137,233.20 and 59,168.62 is: 81,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453.16 : 137,233.20 = 59,168.62 : x
  2. Step 2: Convert to fraction form
    99,453.16/137,233.20 = 59,168.62/x
  3. Step 3: Cross multiply
    99,453.16x = 137,233.20 × 59,168.62
  4. Step 4: Simplify right side
    99,453.16x = 8,119,899,062.18
  5. Step 5: Solve for x
    x = 8,119,899,062.18/99,453.16
  6. Step 6: Final answer
    x = 81,645.46

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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.