Home / 75,370.10-112,925.55-49,061.30

Finding the Fourth Proportional to 75,370.10, 112,925.55 and 49,061.30

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Solution

The fourth proportional to 75,370.10, 112,925.55 and 49,061.30 is: 73,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370.10 : 112,925.55 = 49,061.30 : x
  2. Step 2: Convert to fraction form
    75,370.10/112,925.55 = 49,061.30/x
  3. Step 3: Cross multiply
    75,370.10x = 112,925.55 × 49,061.30
  4. Step 4: Simplify right side
    75,370.10x = 5,540,274,286.22
  5. Step 5: Solve for x
    x = 5,540,274,286.22/75,370.10
  6. Step 6: Final answer
    x = 73,507.59

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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.