Home / 87,242.27-130,835.66-28,064.16

Finding the Fourth Proportional to 87,242.27, 130,835.66 and 28,064.16

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Solution

The fourth proportional to 87,242.27, 130,835.66 and 28,064.16 is: 42,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,242.27 : 130,835.66 = 28,064.16 : x
  2. Step 2: Convert to fraction form
    87,242.27/130,835.66 = 28,064.16/x
  3. Step 3: Cross multiply
    87,242.27x = 130,835.66 × 28,064.16
  4. Step 4: Simplify right side
    87,242.27x = 3,671,792,755.62
  5. Step 5: Solve for x
    x = 3,671,792,755.62/87,242.27
  6. Step 6: Final answer
    x = 42,087.32

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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.