Home / 56,228.30-77,593.61-30,734.73

Finding the Fourth Proportional to 56,228.30, 77,593.61 and 30,734.73

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Solution

The fourth proportional to 56,228.30, 77,593.61 and 30,734.73 is: 42,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.30 : 77,593.61 = 30,734.73 : x
  2. Step 2: Convert to fraction form
    56,228.30/77,593.61 = 30,734.73/x
  3. Step 3: Cross multiply
    56,228.30x = 77,593.61 × 30,734.73
  4. Step 4: Simplify right side
    56,228.30x = 2,384,818,729.91
  5. Step 5: Solve for x
    x = 2,384,818,729.91/56,228.30
  6. Step 6: Final answer
    x = 42,413.14

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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.