Home / 77,256.68-115,677.38-49,023.88

Finding the Fourth Proportional to 77,256.68, 115,677.38 and 49,023.88

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Solution

The fourth proportional to 77,256.68, 115,677.38 and 49,023.88 is: 73,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.68 : 115,677.38 = 49,023.88 : x
  2. Step 2: Convert to fraction form
    77,256.68/115,677.38 = 49,023.88/x
  3. Step 3: Cross multiply
    77,256.68x = 115,677.38 × 49,023.88
  4. Step 4: Simplify right side
    77,256.68x = 5,670,953,829.20
  5. Step 5: Solve for x
    x = 5,670,953,829.20/77,256.68
  6. Step 6: Final answer
    x = 73,404.06

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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.