Home / 107,031.31-147,704.20-58,634.35

Finding the Fourth Proportional to 107,031.31, 147,704.20 and 58,634.35

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Solution

The fourth proportional to 107,031.31, 147,704.20 and 58,634.35 is: 80,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,031.31 : 147,704.20 = 58,634.35 : x
  2. Step 2: Convert to fraction form
    107,031.31/147,704.20 = 58,634.35/x
  3. Step 3: Cross multiply
    107,031.31x = 147,704.20 × 58,634.35
  4. Step 4: Simplify right side
    107,031.31x = 8,660,539,243.42
  5. Step 5: Solve for x
    x = 8,660,539,243.42/107,031.31
  6. Step 6: Final answer
    x = 80,915.94

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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.