Home / 113,620.65-156,789.45-62,630.75

Finding the Fourth Proportional to 113,620.65, 156,789.45 and 62,630.75

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Solution

The fourth proportional to 113,620.65, 156,789.45 and 62,630.75 is: 86,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.65 : 156,789.45 = 62,630.75 : x
  2. Step 2: Convert to fraction form
    113,620.65/156,789.45 = 62,630.75/x
  3. Step 3: Cross multiply
    113,620.65x = 156,789.45 × 62,630.75
  4. Step 4: Simplify right side
    113,620.65x = 9,819,840,845.59
  5. Step 5: Solve for x
    x = 9,819,840,845.59/113,620.65
  6. Step 6: Final answer
    x = 86,426.55

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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.