Home / 87,000.33-130,518.49-49,578.33

Finding the Fourth Proportional to 87,000.33, 130,518.49 and 49,578.33

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Solution

The fourth proportional to 87,000.33, 130,518.49 and 49,578.33 is: 74,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.33 : 130,518.49 = 49,578.33 : x
  2. Step 2: Convert to fraction form
    87,000.33/130,518.49 = 49,578.33/x
  3. Step 3: Cross multiply
    87,000.33x = 130,518.49 × 49,578.33
  4. Step 4: Simplify right side
    87,000.33x = 6,470,887,991.78
  5. Step 5: Solve for x
    x = 6,470,887,991.78/87,000.33
  6. Step 6: Final answer
    x = 74,377.75

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1.5x scale

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.