Home / 90,291.98-124,623.66-60,078.57

Finding the Fourth Proportional to 90,291.98, 124,623.66 and 60,078.57

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Solution

The fourth proportional to 90,291.98, 124,623.66 and 60,078.57 is: 82,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291.98 : 124,623.66 = 60,078.57 : x
  2. Step 2: Convert to fraction form
    90,291.98/124,623.66 = 60,078.57/x
  3. Step 3: Cross multiply
    90,291.98x = 124,623.66 × 60,078.57
  4. Step 4: Simplify right side
    90,291.98x = 7,487,211,280.97
  5. Step 5: Solve for x
    x = 7,487,211,280.97/90,291.98
  6. Step 6: Final answer
    x = 82,922.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.