Home / 80,025.26-110,116.14-77,590.40

Finding the Fourth Proportional to 80,025.26, 110,116.14 and 77,590.40

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Solution

The fourth proportional to 80,025.26, 110,116.14 and 77,590.40 is: 106,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025.26 : 110,116.14 = 77,590.40 : x
  2. Step 2: Convert to fraction form
    80,025.26/110,116.14 = 77,590.40/x
  3. Step 3: Cross multiply
    80,025.26x = 110,116.14 × 77,590.40
  4. Step 4: Simplify right side
    80,025.26x = 8,543,955,349.06
  5. Step 5: Solve for x
    x = 8,543,955,349.06/80,025.26
  6. Step 6: Final answer
    x = 106,765.73

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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.