Home / 53,949.98-74,449.50-31,287.53

Finding the Fourth Proportional to 53,949.98, 74,449.50 and 31,287.53

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Solution

The fourth proportional to 53,949.98, 74,449.50 and 31,287.53 is: 43,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,949.98 : 74,449.50 = 31,287.53 : x
  2. Step 2: Convert to fraction form
    53,949.98/74,449.50 = 31,287.53/x
  3. Step 3: Cross multiply
    53,949.98x = 74,449.50 × 31,287.53
  4. Step 4: Simplify right side
    53,949.98x = 2,329,340,592.49
  5. Step 5: Solve for x
    x = 2,329,340,592.49/53,949.98
  6. Step 6: Final answer
    x = 43,175.93

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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.