Home / 54,929.60-75,804.88-31,054.85

Finding the Fourth Proportional to 54,929.60, 75,804.88 and 31,054.85

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Solution

The fourth proportional to 54,929.60, 75,804.88 and 31,054.85 is: 42,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.60 : 75,804.88 = 31,054.85 : x
  2. Step 2: Convert to fraction form
    54,929.60/75,804.88 = 31,054.85/x
  3. Step 3: Cross multiply
    54,929.60x = 75,804.88 × 31,054.85
  4. Step 4: Simplify right side
    54,929.60x = 2,354,108,981.31
  5. Step 5: Solve for x
    x = 2,354,108,981.31/54,929.60
  6. Step 6: Final answer
    x = 42,856.84

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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.