Home / 77,334.78-115,977.44-24,731.76

Finding the Fourth Proportional to 77,334.78, 115,977.44 and 24,731.76

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Solution

The fourth proportional to 77,334.78, 115,977.44 and 24,731.76 is: 37,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.78 : 115,977.44 = 24,731.76 : x
  2. Step 2: Convert to fraction form
    77,334.78/115,977.44 = 24,731.76/x
  3. Step 3: Cross multiply
    77,334.78x = 115,977.44 × 24,731.76
  4. Step 4: Simplify right side
    77,334.78x = 2,868,326,211.49
  5. Step 5: Solve for x
    x = 2,868,326,211.49/77,334.78
  6. Step 6: Final answer
    x = 37,089.73

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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.