Home / 77,175.74-115,760.11-29,782.13

Finding the Fourth Proportional to 77,175.74, 115,760.11 and 29,782.13

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Solution

The fourth proportional to 77,175.74, 115,760.11 and 29,782.13 is: 44,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,175.74 : 115,760.11 = 29,782.13 : x
  2. Step 2: Convert to fraction form
    77,175.74/115,760.11 = 29,782.13/x
  3. Step 3: Cross multiply
    77,175.74x = 115,760.11 × 29,782.13
  4. Step 4: Simplify right side
    77,175.74x = 3,447,582,782.33
  5. Step 5: Solve for x
    x = 3,447,582,782.33/77,175.74
  6. Step 6: Final answer
    x = 44,671.85

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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.