Home / 55,947.12-77,207.22-30,796.68

Finding the Fourth Proportional to 55,947.12, 77,207.22 and 30,796.68

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Solution

The fourth proportional to 55,947.12, 77,207.22 and 30,796.68 is: 42,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.12 : 77,207.22 = 30,796.68 : x
  2. Step 2: Convert to fraction form
    55,947.12/77,207.22 = 30,796.68/x
  3. Step 3: Cross multiply
    55,947.12x = 77,207.22 × 30,796.68
  4. Step 4: Simplify right side
    55,947.12x = 2,377,726,048.03
  5. Step 5: Solve for x
    x = 2,377,726,048.03/55,947.12
  6. Step 6: Final answer
    x = 42,499.53

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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.