Home / 53,950.18-74,449.81-31,287.76

Finding the Fourth Proportional to 53,950.18, 74,449.81 and 31,287.76

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Solution

The fourth proportional to 53,950.18, 74,449.81 and 31,287.76 is: 43,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,950.18 : 74,449.81 = 31,287.76 : x
  2. Step 2: Convert to fraction form
    53,950.18/74,449.81 = 31,287.76/x
  3. Step 3: Cross multiply
    53,950.18x = 74,449.81 × 31,287.76
  4. Step 4: Simplify right side
    53,950.18x = 2,329,367,787.33
  5. Step 5: Solve for x
    x = 2,329,367,787.33/53,950.18
  6. Step 6: Final answer
    x = 43,176.27

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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.