Home / 90,576.53-124,999.50-50,290.29

Finding the Fourth Proportional to 90,576.53, 124,999.50 and 50,290.29

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Solution

The fourth proportional to 90,576.53, 124,999.50 and 50,290.29 is: 69,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.53 : 124,999.50 = 50,290.29 : x
  2. Step 2: Convert to fraction form
    90,576.53/124,999.50 = 50,290.29/x
  3. Step 3: Cross multiply
    90,576.53x = 124,999.50 × 50,290.29
  4. Step 4: Simplify right side
    90,576.53x = 6,286,261,104.86
  5. Step 5: Solve for x
    x = 6,286,261,104.86/90,576.53
  6. Step 6: Final answer
    x = 69,402.76

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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.