Home / 56,129.68-77,472.25-32,270.21

Finding the Fourth Proportional to 56,129.68, 77,472.25 and 32,270.21

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Solution

The fourth proportional to 56,129.68, 77,472.25 and 32,270.21 is: 44,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.68 : 77,472.25 = 32,270.21 : x
  2. Step 2: Convert to fraction form
    56,129.68/77,472.25 = 32,270.21/x
  3. Step 3: Cross multiply
    56,129.68x = 77,472.25 × 32,270.21
  4. Step 4: Simplify right side
    56,129.68x = 2,500,045,776.67
  5. Step 5: Solve for x
    x = 2,500,045,776.67/56,129.68
  6. Step 6: Final answer
    x = 44,540.53

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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.