Home / 67,209.60-100,810.32-29,758.72

Finding the Fourth Proportional to 67,209.60, 100,810.32 and 29,758.72

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Solution

The fourth proportional to 67,209.60, 100,810.32 and 29,758.72 is: 44,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,209.60 : 100,810.32 = 29,758.72 : x
  2. Step 2: Convert to fraction form
    67,209.60/100,810.32 = 29,758.72/x
  3. Step 3: Cross multiply
    67,209.60x = 100,810.32 × 29,758.72
  4. Step 4: Simplify right side
    67,209.60x = 2,999,986,085.99
  5. Step 5: Solve for x
    x = 2,999,986,085.99/67,209.60
  6. Step 6: Final answer
    x = 44,636.27

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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.