Home / 67,117.80-100,669.77-22,743.40

Finding the Fourth Proportional to 67,117.80, 100,669.77 and 22,743.40

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Solution

The fourth proportional to 67,117.80, 100,669.77 and 22,743.40 is: 34,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,117.80 : 100,669.77 = 22,743.40 : x
  2. Step 2: Convert to fraction form
    67,117.80/100,669.77 = 22,743.40/x
  3. Step 3: Cross multiply
    67,117.80x = 100,669.77 × 22,743.40
  4. Step 4: Simplify right side
    67,117.80x = 2,289,572,784.10
  5. Step 5: Solve for x
    x = 2,289,572,784.10/67,117.80
  6. Step 6: Final answer
    x = 34,112.75

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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.