Home / 54,879.16-75,736.20-31,006.84

Finding the Fourth Proportional to 54,879.16, 75,736.20 and 31,006.84

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Solution

The fourth proportional to 54,879.16, 75,736.20 and 31,006.84 is: 42,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.16 : 75,736.20 = 31,006.84 : x
  2. Step 2: Convert to fraction form
    54,879.16/75,736.20 = 31,006.84/x
  3. Step 3: Cross multiply
    54,879.16x = 75,736.20 × 31,006.84
  4. Step 4: Simplify right side
    54,879.16x = 2,348,340,235.61
  5. Step 5: Solve for x
    x = 2,348,340,235.61/54,879.16
  6. Step 6: Final answer
    x = 42,791.11

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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.