Home / 83,592.56-125,396.13-21,263.06

Finding the Fourth Proportional to 83,592.56, 125,396.13 and 21,263.06

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Solution

The fourth proportional to 83,592.56, 125,396.13 and 21,263.06 is: 31,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,592.56 : 125,396.13 = 21,263.06 : x
  2. Step 2: Convert to fraction form
    83,592.56/125,396.13 = 21,263.06/x
  3. Step 3: Cross multiply
    83,592.56x = 125,396.13 × 21,263.06
  4. Step 4: Simplify right side
    83,592.56x = 2,666,305,829.18
  5. Step 5: Solve for x
    x = 2,666,305,829.18/83,592.56
  6. Step 6: Final answer
    x = 31,896.45

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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.