Home / 87,247.47-130,910.09-45,684.75

Finding the Fourth Proportional to 87,247.47, 130,910.09 and 45,684.75

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Solution

The fourth proportional to 87,247.47, 130,910.09 and 45,684.75 is: 68,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.47 : 130,910.09 = 45,684.75 : x
  2. Step 2: Convert to fraction form
    87,247.47/130,910.09 = 45,684.75/x
  3. Step 3: Cross multiply
    87,247.47x = 130,910.09 × 45,684.75
  4. Step 4: Simplify right side
    87,247.47x = 5,980,594,505.70
  5. Step 5: Solve for x
    x = 5,980,594,505.70/87,247.47
  6. Step 6: Final answer
    x = 68,547.48

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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.