Home / 55,995.15-77,273.31-30,844.65

Finding the Fourth Proportional to 55,995.15, 77,273.31 and 30,844.65

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Solution

The fourth proportional to 55,995.15, 77,273.31 and 30,844.65 is: 42,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.15 : 77,273.31 = 30,844.65 : x
  2. Step 2: Convert to fraction form
    55,995.15/77,273.31 = 30,844.65/x
  3. Step 3: Cross multiply
    55,995.15x = 77,273.31 × 30,844.65
  4. Step 4: Simplify right side
    55,995.15x = 2,383,468,201.29
  5. Step 5: Solve for x
    x = 2,383,468,201.29/55,995.15
  6. Step 6: Final answer
    x = 42,565.62

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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.