Home / 71,749.26-107,475.66-42,077.74

Finding the Fourth Proportional to 71,749.26, 107,475.66 and 42,077.74

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Solution

The fourth proportional to 71,749.26, 107,475.66 and 42,077.74 is: 63,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,749.26 : 107,475.66 = 42,077.74 : x
  2. Step 2: Convert to fraction form
    71,749.26/107,475.66 = 42,077.74/x
  3. Step 3: Cross multiply
    71,749.26x = 107,475.66 × 42,077.74
  4. Step 4: Simplify right side
    71,749.26x = 4,522,332,877.81
  5. Step 5: Solve for x
    x = 4,522,332,877.81/71,749.26
  6. Step 6: Final answer
    x = 63,029.68

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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.