Home / 55,272.50-82,908.38-15,829.74

Finding the Fourth Proportional to 55,272.50, 82,908.38 and 15,829.74

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Solution

The fourth proportional to 55,272.50, 82,908.38 and 15,829.74 is: 23,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.50 : 82,908.38 = 15,829.74 : x
  2. Step 2: Convert to fraction form
    55,272.50/82,908.38 = 15,829.74/x
  3. Step 3: Cross multiply
    55,272.50x = 82,908.38 × 15,829.74
  4. Step 4: Simplify right side
    55,272.50x = 1,312,418,020.07
  5. Step 5: Solve for x
    x = 1,312,418,020.07/55,272.50
  6. Step 6: Final answer
    x = 23,744.50

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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.