Home / 83,572.77-125,359.43-21,243.27

Finding the Fourth Proportional to 83,572.77, 125,359.43 and 21,243.27

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Solution

The fourth proportional to 83,572.77, 125,359.43 and 21,243.27 is: 31,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,572.77 : 125,359.43 = 21,243.27 : x
  2. Step 2: Convert to fraction form
    83,572.77/125,359.43 = 21,243.27/x
  3. Step 3: Cross multiply
    83,572.77x = 125,359.43 × 21,243.27
  4. Step 4: Simplify right side
    83,572.77x = 2,663,044,112.32
  5. Step 5: Solve for x
    x = 2,663,044,112.32/83,572.77
  6. Step 6: Final answer
    x = 31,864.97

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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.