Home / 84,002.69-125,960.29-39,617.53

Finding the Fourth Proportional to 84,002.69, 125,960.29 and 39,617.53

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Solution

The fourth proportional to 84,002.69, 125,960.29 and 39,617.53 is: 59,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.69 : 125,960.29 = 39,617.53 : x
  2. Step 2: Convert to fraction form
    84,002.69/125,960.29 = 39,617.53/x
  3. Step 3: Cross multiply
    84,002.69x = 125,960.29 × 39,617.53
  4. Step 4: Simplify right side
    84,002.69x = 4,990,235,265.36
  5. Step 5: Solve for x
    x = 4,990,235,265.36/84,002.69
  6. Step 6: Final answer
    x = 59,405.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.