Home / 54,098.09-74,642.57-31,423.61

Finding the Fourth Proportional to 54,098.09, 74,642.57 and 31,423.61

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Solution

The fourth proportional to 54,098.09, 74,642.57 and 31,423.61 is: 43,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,098.09 : 74,642.57 = 31,423.61 : x
  2. Step 2: Convert to fraction form
    54,098.09/74,642.57 = 31,423.61/x
  3. Step 3: Cross multiply
    54,098.09x = 74,642.57 × 31,423.61
  4. Step 4: Simplify right side
    54,098.09x = 2,345,539,156.40
  5. Step 5: Solve for x
    x = 2,345,539,156.40/54,098.09
  6. Step 6: Final answer
    x = 43,357.15

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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.