Home / 109,040.15-163,463.30-42,464.90

Finding the Fourth Proportional to 109,040.15, 163,463.30 and 42,464.90

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Solution

The fourth proportional to 109,040.15, 163,463.30 and 42,464.90 is: 63,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.15 : 163,463.30 = 42,464.90 : x
  2. Step 2: Convert to fraction form
    109,040.15/163,463.30 = 42,464.90/x
  3. Step 3: Cross multiply
    109,040.15x = 163,463.30 × 42,464.90
  4. Step 4: Simplify right side
    109,040.15x = 6,941,452,475.85
  5. Step 5: Solve for x
    x = 6,941,452,475.85/109,040.15
  6. Step 6: Final answer
    x = 63,659.60

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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.