Home / 90,851.91-125,375.52-50,564.71

Finding the Fourth Proportional to 90,851.91, 125,375.52 and 50,564.71

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Solution

The fourth proportional to 90,851.91, 125,375.52 and 50,564.71 is: 69,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,851.91 : 125,375.52 = 50,564.71 : x
  2. Step 2: Convert to fraction form
    90,851.91/125,375.52 = 50,564.71/x
  3. Step 3: Cross multiply
    90,851.91x = 125,375.52 × 50,564.71
  4. Step 4: Simplify right side
    90,851.91x = 6,339,576,809.90
  5. Step 5: Solve for x
    x = 6,339,576,809.90/90,851.91
  6. Step 6: Final answer
    x = 69,779.24

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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.