Home / 109,818.24-151,549.60-59,517.28

Finding the Fourth Proportional to 109,818.24, 151,549.60 and 59,517.28

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Solution

The fourth proportional to 109,818.24, 151,549.60 and 59,517.28 is: 82,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.24 : 151,549.60 = 59,517.28 : x
  2. Step 2: Convert to fraction form
    109,818.24/151,549.60 = 59,517.28/x
  3. Step 3: Cross multiply
    109,818.24x = 151,549.60 × 59,517.28
  4. Step 4: Simplify right side
    109,818.24x = 9,019,819,977.09
  5. Step 5: Solve for x
    x = 9,019,819,977.09/109,818.24
  6. Step 6: Final answer
    x = 82,134.08

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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.