Home / 53,743.62-74,160.28-31,079.17

Finding the Fourth Proportional to 53,743.62, 74,160.28 and 31,079.17

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Solution

The fourth proportional to 53,743.62, 74,160.28 and 31,079.17 is: 42,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.62 : 74,160.28 = 31,079.17 : x
  2. Step 2: Convert to fraction form
    53,743.62/74,160.28 = 31,079.17/x
  3. Step 3: Cross multiply
    53,743.62x = 74,160.28 × 31,079.17
  4. Step 4: Simplify right side
    53,743.62x = 2,304,839,949.37
  5. Step 5: Solve for x
    x = 2,304,839,949.37/53,743.62
  6. Step 6: Final answer
    x = 42,885.83

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1.5x scale

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.