Home / 109,041.20-163,610.40-49,846.40

Finding the Fourth Proportional to 109,041.20, 163,610.40 and 49,846.40

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Solution

The fourth proportional to 109,041.20, 163,610.40 and 49,846.40 is: 74,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.20 : 163,610.40 = 49,846.40 : x
  2. Step 2: Convert to fraction form
    109,041.20/163,610.40 = 49,846.40/x
  3. Step 3: Cross multiply
    109,041.20x = 163,610.40 × 49,846.40
  4. Step 4: Simplify right side
    109,041.20x = 8,155,389,442.56
  5. Step 5: Solve for x
    x = 8,155,389,442.56/109,041.20
  6. Step 6: Final answer
    x = 74,791.82

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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.