Home / 109,014.62-163,422.90-38,877.53

Finding the Fourth Proportional to 109,014.62, 163,422.90 and 38,877.53

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Solution

The fourth proportional to 109,014.62, 163,422.90 and 38,877.53 is: 58,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,014.62 : 163,422.90 = 38,877.53 : x
  2. Step 2: Convert to fraction form
    109,014.62/163,422.90 = 38,877.53/x
  3. Step 3: Cross multiply
    109,014.62x = 163,422.90 × 38,877.53
  4. Step 4: Simplify right side
    109,014.62x = 6,353,477,880.32
  5. Step 5: Solve for x
    x = 6,353,477,880.32/109,014.62
  6. Step 6: Final answer
    x = 58,280.97

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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.