Home / 113,601.06-156,776.31-62,613.72

Finding the Fourth Proportional to 113,601.06, 156,776.31 and 62,613.72

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Solution

The fourth proportional to 113,601.06, 156,776.31 and 62,613.72 is: 86,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,601.06 : 156,776.31 = 62,613.72 : x
  2. Step 2: Convert to fraction form
    113,601.06/156,776.31 = 62,613.72/x
  3. Step 3: Cross multiply
    113,601.06x = 156,776.31 × 62,613.72
  4. Step 4: Simplify right side
    113,601.06x = 9,816,347,976.97
  5. Step 5: Solve for x
    x = 9,816,347,976.97/113,601.06
  6. Step 6: Final answer
    x = 86,410.71

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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.