Home / 90,534.24-124,960.22-61,865.50

Finding the Fourth Proportional to 90,534.24, 124,960.22 and 61,865.50

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Solution

The fourth proportional to 90,534.24, 124,960.22 and 61,865.50 is: 85,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534.24 : 124,960.22 = 61,865.50 : x
  2. Step 2: Convert to fraction form
    90,534.24/124,960.22 = 61,865.50/x
  3. Step 3: Cross multiply
    90,534.24x = 124,960.22 × 61,865.50
  4. Step 4: Simplify right side
    90,534.24x = 7,730,726,649.68
  5. Step 5: Solve for x
    x = 7,730,726,649.68/90,534.24
  6. Step 6: Final answer
    x = 85,390.09

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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.