Home / 75,618.78-113,445.12-23,032.38

Finding the Fourth Proportional to 75,618.78, 113,445.12 and 23,032.38

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Solution

The fourth proportional to 75,618.78, 113,445.12 and 23,032.38 is: 34,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,618.78 : 113,445.12 = 23,032.38 : x
  2. Step 2: Convert to fraction form
    75,618.78/113,445.12 = 23,032.38/x
  3. Step 3: Cross multiply
    75,618.78x = 113,445.12 × 23,032.38
  4. Step 4: Simplify right side
    75,618.78x = 2,612,911,112.99
  5. Step 5: Solve for x
    x = 2,612,911,112.99/75,618.78
  6. Step 6: Final answer
    x = 34,553.73

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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.