Home / 90,247.28-124,554.28-51,999.50

Finding the Fourth Proportional to 90,247.28, 124,554.28 and 51,999.50

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Solution

The fourth proportional to 90,247.28, 124,554.28 and 51,999.50 is: 71,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.28 : 124,554.28 = 51,999.50 : x
  2. Step 2: Convert to fraction form
    90,247.28/124,554.28 = 51,999.50/x
  3. Step 3: Cross multiply
    90,247.28x = 124,554.28 × 51,999.50
  4. Step 4: Simplify right side
    90,247.28x = 6,476,760,561.75
  5. Step 5: Solve for x
    x = 6,476,760,561.75/90,247.28
  6. Step 6: Final answer
    x = 71,766.82

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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.