Home / 113,704.12-156,909.56-62,721.60

Finding the Fourth Proportional to 113,704.12, 156,909.56 and 62,721.60

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Solution

The fourth proportional to 113,704.12, 156,909.56 and 62,721.60 is: 86,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,704.12 : 156,909.56 = 62,721.60 : x
  2. Step 2: Convert to fraction form
    113,704.12/156,909.56 = 62,721.60/x
  3. Step 3: Cross multiply
    113,704.12x = 156,909.56 × 62,721.60
  4. Step 4: Simplify right side
    113,704.12x = 9,841,618,658.50
  5. Step 5: Solve for x
    x = 9,841,618,658.50/113,704.12
  6. Step 6: Final answer
    x = 86,554.64

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1.5x scale

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.