Home / 77,570.31-107,040.72-43,576.95

Finding the Fourth Proportional to 77,570.31, 107,040.72 and 43,576.95

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Solution

The fourth proportional to 77,570.31, 107,040.72 and 43,576.95 is: 60,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.31 : 107,040.72 = 43,576.95 : x
  2. Step 2: Convert to fraction form
    77,570.31/107,040.72 = 43,576.95/x
  3. Step 3: Cross multiply
    77,570.31x = 107,040.72 × 43,576.95
  4. Step 4: Simplify right side
    77,570.31x = 4,664,508,103.40
  5. Step 5: Solve for x
    x = 4,664,508,103.40/77,570.31
  6. Step 6: Final answer
    x = 60,132.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.