Home / 71,515.73-107,255.62-29,407.58

Finding the Fourth Proportional to 71,515.73, 107,255.62 and 29,407.58

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Solution

The fourth proportional to 71,515.73, 107,255.62 and 29,407.58 is: 44,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,515.73 : 107,255.62 = 29,407.58 : x
  2. Step 2: Convert to fraction form
    71,515.73/107,255.62 = 29,407.58/x
  3. Step 3: Cross multiply
    71,515.73x = 107,255.62 × 29,407.58
  4. Step 4: Simplify right side
    71,515.73x = 3,154,128,225.60
  5. Step 5: Solve for x
    x = 3,154,128,225.60/71,515.73
  6. Step 6: Final answer
    x = 44,103.98

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1.5x scale

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.