Home / 54,879.04-75,734.56-31,005.24

Finding the Fourth Proportional to 54,879.04, 75,734.56 and 31,005.24

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Solution

The fourth proportional to 54,879.04, 75,734.56 and 31,005.24 is: 42,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.04 : 75,734.56 = 31,005.24 : x
  2. Step 2: Convert to fraction form
    54,879.04/75,734.56 = 31,005.24/x
  3. Step 3: Cross multiply
    54,879.04x = 75,734.56 × 31,005.24
  4. Step 4: Simplify right side
    54,879.04x = 2,348,168,209.09
  5. Step 5: Solve for x
    x = 2,348,168,209.09/54,879.04
  6. Step 6: Final answer
    x = 42,788.07

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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.