Home / 80,925.89-111,677.87-45,115.18

Finding the Fourth Proportional to 80,925.89, 111,677.87 and 45,115.18

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Solution

The fourth proportional to 80,925.89, 111,677.87 and 45,115.18 is: 62,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.89 : 111,677.87 = 45,115.18 : x
  2. Step 2: Convert to fraction form
    80,925.89/111,677.87 = 45,115.18/x
  3. Step 3: Cross multiply
    80,925.89x = 111,677.87 × 45,115.18
  4. Step 4: Simplify right side
    80,925.89x = 5,038,367,040.66
  5. Step 5: Solve for x
    x = 5,038,367,040.66/80,925.89
  6. Step 6: Final answer
    x = 62,259.03

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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.