Home / 55,220.76-82,706.52-25,576.32

Finding the Fourth Proportional to 55,220.76, 82,706.52 and 25,576.32

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Solution

The fourth proportional to 55,220.76, 82,706.52 and 25,576.32 is: 38,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220.76 : 82,706.52 = 25,576.32 : x
  2. Step 2: Convert to fraction form
    55,220.76/82,706.52 = 25,576.32/x
  3. Step 3: Cross multiply
    55,220.76x = 82,706.52 × 25,576.32
  4. Step 4: Simplify right side
    55,220.76x = 2,115,328,421.61
  5. Step 5: Solve for x
    x = 2,115,328,421.61/55,220.76
  6. Step 6: Final answer
    x = 38,306.76

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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.