Home / 77,175.08-115,683.72-52,217.76

Finding the Fourth Proportional to 77,175.08, 115,683.72 and 52,217.76

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Solution

The fourth proportional to 77,175.08, 115,683.72 and 52,217.76 is: 78,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,175.08 : 115,683.72 = 52,217.76 : x
  2. Step 2: Convert to fraction form
    77,175.08/115,683.72 = 52,217.76/x
  3. Step 3: Cross multiply
    77,175.08x = 115,683.72 × 52,217.76
  4. Step 4: Simplify right side
    77,175.08x = 6,040,744,726.87
  5. Step 5: Solve for x
    x = 6,040,744,726.87/77,175.08
  6. Step 6: Final answer
    x = 78,273.26

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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.