Home / 53,736.62-74,150.63-31,072.17

Finding the Fourth Proportional to 53,736.62, 74,150.63 and 31,072.17

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Solution

The fourth proportional to 53,736.62, 74,150.63 and 31,072.17 is: 42,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.62 : 74,150.63 = 31,072.17 : x
  2. Step 2: Convert to fraction form
    53,736.62/74,150.63 = 31,072.17/x
  3. Step 3: Cross multiply
    53,736.62x = 74,150.63 × 31,072.17
  4. Step 4: Simplify right side
    53,736.62x = 2,304,020,825.61
  5. Step 5: Solve for x
    x = 2,304,020,825.61/53,736.62
  6. Step 6: Final answer
    x = 42,876.18

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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.