Home / 87,010.14-120,073.98-49,284.39

Finding the Fourth Proportional to 87,010.14, 120,073.98 and 49,284.39

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Solution

The fourth proportional to 87,010.14, 120,073.98 and 49,284.39 is: 68,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.14 : 120,073.98 = 49,284.39 : x
  2. Step 2: Convert to fraction form
    87,010.14/120,073.98 = 49,284.39/x
  3. Step 3: Cross multiply
    87,010.14x = 120,073.98 × 49,284.39
  4. Step 4: Simplify right side
    87,010.14x = 5,917,772,258.80
  5. Step 5: Solve for x
    x = 5,917,772,258.80/87,010.14
  6. Step 6: Final answer
    x = 68,012.45

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1.5x scale

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.