Home / 43,127.38-64,691.07-11,962.63

Finding the Fourth Proportional to 43,127.38, 64,691.07 and 11,962.63

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Solution

The fourth proportional to 43,127.38, 64,691.07 and 11,962.63 is: 17,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.38 : 64,691.07 = 11,962.63 : x
  2. Step 2: Convert to fraction form
    43,127.38/64,691.07 = 11,962.63/x
  3. Step 3: Cross multiply
    43,127.38x = 64,691.07 × 11,962.63
  4. Step 4: Simplify right side
    43,127.38x = 773,874,951.45
  5. Step 5: Solve for x
    x = 773,874,951.45/43,127.38
  6. Step 6: Final answer
    x = 17,943.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.