Home / 53,272.25-73,531.07-31,488.71

Finding the Fourth Proportional to 53,272.25, 73,531.07 and 31,488.71

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Solution

The fourth proportional to 53,272.25, 73,531.07 and 31,488.71 is: 43,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.25 : 73,531.07 = 31,488.71 : x
  2. Step 2: Convert to fraction form
    53,272.25/73,531.07 = 31,488.71/x
  3. Step 3: Cross multiply
    53,272.25x = 73,531.07 × 31,488.71
  4. Step 4: Simplify right side
    53,272.25x = 2,315,398,132.20
  5. Step 5: Solve for x
    x = 2,315,398,132.20/53,272.25
  6. Step 6: Final answer
    x = 43,463.50

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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.