Home / 77,125.68-115,754.04-54,993.24

Finding the Fourth Proportional to 77,125.68, 115,754.04 and 54,993.24

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Solution

The fourth proportional to 77,125.68, 115,754.04 and 54,993.24 is: 82,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,125.68 : 115,754.04 = 54,993.24 : x
  2. Step 2: Convert to fraction form
    77,125.68/115,754.04 = 54,993.24/x
  3. Step 3: Cross multiply
    77,125.68x = 115,754.04 × 54,993.24
  4. Step 4: Simplify right side
    77,125.68x = 6,365,689,702.69
  5. Step 5: Solve for x
    x = 6,365,689,702.69/77,125.68
  6. Step 6: Final answer
    x = 82,536.58

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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.