Home / 113,629.52-156,809.85-62,644.29

Finding the Fourth Proportional to 113,629.52, 156,809.85 and 62,644.29

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Solution

The fourth proportional to 113,629.52, 156,809.85 and 62,644.29 is: 86,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,629.52 : 156,809.85 = 62,644.29 : x
  2. Step 2: Convert to fraction form
    113,629.52/156,809.85 = 62,644.29/x
  3. Step 3: Cross multiply
    113,629.52x = 156,809.85 × 62,644.29
  4. Step 4: Simplify right side
    113,629.52x = 9,823,241,718.26
  5. Step 5: Solve for x
    x = 9,823,241,718.26/113,629.52
  6. Step 6: Final answer
    x = 86,449.73

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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.