Home / 54,894.78-75,746.16-31,929.68

Finding the Fourth Proportional to 54,894.78, 75,746.16 and 31,929.68

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Solution

The fourth proportional to 54,894.78, 75,746.16 and 31,929.68 is: 44,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,894.78 : 75,746.16 = 31,929.68 : x
  2. Step 2: Convert to fraction form
    54,894.78/75,746.16 = 31,929.68/x
  3. Step 3: Cross multiply
    54,894.78x = 75,746.16 × 31,929.68
  4. Step 4: Simplify right side
    54,894.78x = 2,418,550,271.30
  5. Step 5: Solve for x
    x = 2,418,550,271.30/54,894.78
  6. Step 6: Final answer
    x = 44,057.93

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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.