Home / 67,020.40-100,587.30-27,605.80

Finding the Fourth Proportional to 67,020.40, 100,587.30 and 27,605.80

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Solution

The fourth proportional to 67,020.40, 100,587.30 and 27,605.80 is: 41,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.40 : 100,587.30 = 27,605.80 : x
  2. Step 2: Convert to fraction form
    67,020.40/100,587.30 = 27,605.80/x
  3. Step 3: Cross multiply
    67,020.40x = 100,587.30 × 27,605.80
  4. Step 4: Simplify right side
    67,020.40x = 2,776,792,886.34
  5. Step 5: Solve for x
    x = 2,776,792,886.34/67,020.40
  6. Step 6: Final answer
    x = 41,432.05

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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.