Home / 75,616.78-113,442.12-23,030.38

Finding the Fourth Proportional to 75,616.78, 113,442.12 and 23,030.38

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Solution

The fourth proportional to 75,616.78, 113,442.12 and 23,030.38 is: 34,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,616.78 : 113,442.12 = 23,030.38 : x
  2. Step 2: Convert to fraction form
    75,616.78/113,442.12 = 23,030.38/x
  3. Step 3: Cross multiply
    75,616.78x = 113,442.12 × 23,030.38
  4. Step 4: Simplify right side
    75,616.78x = 2,612,615,131.61
  5. Step 5: Solve for x
    x = 2,612,615,131.61/75,616.78
  6. Step 6: Final answer
    x = 34,550.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.