Home / 109,818.20-151,549.08-59,517.20

Finding the Fourth Proportional to 109,818.20, 151,549.08 and 59,517.20

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Solution

The fourth proportional to 109,818.20, 151,549.08 and 59,517.20 is: 82,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.20 : 151,549.08 = 59,517.20 : x
  2. Step 2: Convert to fraction form
    109,818.20/151,549.08 = 59,517.20/x
  3. Step 3: Cross multiply
    109,818.20x = 151,549.08 × 59,517.20
  4. Step 4: Simplify right side
    109,818.20x = 9,019,776,904.18
  5. Step 5: Solve for x
    x = 9,019,776,904.18/109,818.20
  6. Step 6: Final answer
    x = 82,133.72

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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.