Home / 90,591.01-125,011.38-50,307.32

Finding the Fourth Proportional to 90,591.01, 125,011.38 and 50,307.32

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Solution

The fourth proportional to 90,591.01, 125,011.38 and 50,307.32 is: 69,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,591.01 : 125,011.38 = 50,307.32 : x
  2. Step 2: Convert to fraction form
    90,591.01/125,011.38 = 50,307.32/x
  3. Step 3: Cross multiply
    90,591.01x = 125,011.38 × 50,307.32
  4. Step 4: Simplify right side
    90,591.01x = 6,288,987,497.30
  5. Step 5: Solve for x
    x = 6,288,987,497.30/90,591.01
  6. Step 6: Final answer
    x = 69,421.76

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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.