Home / 70,028.16-96,638.84-38,197.04

Finding the Fourth Proportional to 70,028.16, 96,638.84 and 38,197.04

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Solution

The fourth proportional to 70,028.16, 96,638.84 and 38,197.04 is: 52,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.16 : 96,638.84 = 38,197.04 : x
  2. Step 2: Convert to fraction form
    70,028.16/96,638.84 = 38,197.04/x
  3. Step 3: Cross multiply
    70,028.16x = 96,638.84 × 38,197.04
  4. Step 4: Simplify right side
    70,028.16x = 3,691,317,637.03
  5. Step 5: Solve for x
    x = 3,691,317,637.03/70,028.16
  6. Step 6: Final answer
    x = 52,711.90

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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.