Home / 54,935.95-75,811.19-31,063.47

Finding the Fourth Proportional to 54,935.95, 75,811.19 and 31,063.47

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Solution

The fourth proportional to 54,935.95, 75,811.19 and 31,063.47 is: 42,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.95 : 75,811.19 = 31,063.47 : x
  2. Step 2: Convert to fraction form
    54,935.95/75,811.19 = 31,063.47/x
  3. Step 3: Cross multiply
    54,935.95x = 75,811.19 × 31,063.47
  4. Step 4: Simplify right side
    54,935.95x = 2,354,958,470.91
  5. Step 5: Solve for x
    x = 2,354,958,470.91/54,935.95
  6. Step 6: Final answer
    x = 42,867.35

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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.