Home / 87,743.22-121,085.66-49,510.88

Finding the Fourth Proportional to 87,743.22, 121,085.66 and 49,510.88

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Solution

The fourth proportional to 87,743.22, 121,085.66 and 49,510.88 is: 68,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,743.22 : 121,085.66 = 49,510.88 : x
  2. Step 2: Convert to fraction form
    87,743.22/121,085.66 = 49,510.88/x
  3. Step 3: Cross multiply
    87,743.22x = 121,085.66 × 49,510.88
  4. Step 4: Simplify right side
    87,743.22x = 5,995,058,008.47
  5. Step 5: Solve for x
    x = 5,995,058,008.47/87,743.22
  6. Step 6: Final answer
    x = 68,325.03

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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.