Home / 109,575.40-151,232.60-63,627.88

Finding the Fourth Proportional to 109,575.40, 151,232.60 and 63,627.88

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Solution

The fourth proportional to 109,575.40, 151,232.60 and 63,627.88 is: 87,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,575.40 : 151,232.60 = 63,627.88 : x
  2. Step 2: Convert to fraction form
    109,575.40/151,232.60 = 63,627.88/x
  3. Step 3: Cross multiply
    109,575.40x = 151,232.60 × 63,627.88
  4. Step 4: Simplify right side
    109,575.40x = 9,622,609,724.89
  5. Step 5: Solve for x
    x = 9,622,609,724.89/109,575.40
  6. Step 6: Final answer
    x = 87,817.24

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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.