Home / 108,870.30-163,324.56-49,711.95

Finding the Fourth Proportional to 108,870.30, 163,324.56 and 49,711.95

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Solution

The fourth proportional to 108,870.30, 163,324.56 and 49,711.95 is: 74,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.30 : 163,324.56 = 49,711.95 : x
  2. Step 2: Convert to fraction form
    108,870.30/163,324.56 = 49,711.95/x
  3. Step 3: Cross multiply
    108,870.30x = 163,324.56 × 49,711.95
  4. Step 4: Simplify right side
    108,870.30x = 8,119,182,360.49
  5. Step 5: Solve for x
    x = 8,119,182,360.49/108,870.30
  6. Step 6: Final answer
    x = 74,576.65

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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.