Home / 67,261.11-100,890.75-22,918.77

Finding the Fourth Proportional to 67,261.11, 100,890.75 and 22,918.77

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Solution

The fourth proportional to 67,261.11, 100,890.75 and 22,918.77 is: 34,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.11 : 100,890.75 = 22,918.77 : x
  2. Step 2: Convert to fraction form
    67,261.11/100,890.75 = 22,918.77/x
  3. Step 3: Cross multiply
    67,261.11x = 100,890.75 × 22,918.77
  4. Step 4: Simplify right side
    67,261.11x = 2,312,291,894.38
  5. Step 5: Solve for x
    x = 2,312,291,894.38/67,261.11
  6. Step 6: Final answer
    x = 34,377.84

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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.