Home / 63,170.06-87,177.96-36,315.09

Finding the Fourth Proportional to 63,170.06, 87,177.96 and 36,315.09

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Solution

The fourth proportional to 63,170.06, 87,177.96 and 36,315.09 is: 50,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170.06 : 87,177.96 = 36,315.09 : x
  2. Step 2: Convert to fraction form
    63,170.06/87,177.96 = 36,315.09/x
  3. Step 3: Cross multiply
    63,170.06x = 87,177.96 × 36,315.09
  4. Step 4: Simplify right side
    63,170.06x = 3,165,875,463.42
  5. Step 5: Solve for x
    x = 3,165,875,463.42/63,170.06
  6. Step 6: Final answer
    x = 50,116.71

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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.