Home / 87,845.18-121,226.56-47,559.38

Finding the Fourth Proportional to 87,845.18, 121,226.56 and 47,559.38

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Solution

The fourth proportional to 87,845.18, 121,226.56 and 47,559.38 is: 65,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.18 : 121,226.56 = 47,559.38 : x
  2. Step 2: Convert to fraction form
    87,845.18/121,226.56 = 47,559.38/x
  3. Step 3: Cross multiply
    87,845.18x = 121,226.56 × 47,559.38
  4. Step 4: Simplify right side
    87,845.18x = 5,765,460,033.13
  5. Step 5: Solve for x
    x = 5,765,460,033.13/87,845.18
  6. Step 6: Final answer
    x = 65,632.06

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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.