Home / 70,748.44-97,635.42-38,919.76

Finding the Fourth Proportional to 70,748.44, 97,635.42 and 38,919.76

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Solution

The fourth proportional to 70,748.44, 97,635.42 and 38,919.76 is: 53,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.44 : 97,635.42 = 38,919.76 : x
  2. Step 2: Convert to fraction form
    70,748.44/97,635.42 = 38,919.76/x
  3. Step 3: Cross multiply
    70,748.44x = 97,635.42 × 38,919.76
  4. Step 4: Simplify right side
    70,748.44x = 3,799,947,113.90
  5. Step 5: Solve for x
    x = 3,799,947,113.90/70,748.44
  6. Step 6: Final answer
    x = 53,710.68

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1.5x scale

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.