Home / 53,731.80-74,148.71-29,857.68

Finding the Fourth Proportional to 53,731.80, 74,148.71 and 29,857.68

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Solution

The fourth proportional to 53,731.80, 74,148.71 and 29,857.68 is: 41,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.80 : 74,148.71 = 29,857.68 : x
  2. Step 2: Convert to fraction form
    53,731.80/74,148.71 = 29,857.68/x
  3. Step 3: Cross multiply
    53,731.80x = 74,148.71 × 29,857.68
  4. Step 4: Simplify right side
    53,731.80x = 2,213,908,306.30
  5. Step 5: Solve for x
    x = 2,213,908,306.30/53,731.80
  6. Step 6: Final answer
    x = 41,202.94

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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.