Home / 70,571.32-97,388.01-38,306.58

Finding the Fourth Proportional to 70,571.32, 97,388.01 and 38,306.58

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Solution

The fourth proportional to 70,571.32, 97,388.01 and 38,306.58 is: 52,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.32 : 97,388.01 = 38,306.58 : x
  2. Step 2: Convert to fraction form
    70,571.32/97,388.01 = 38,306.58/x
  3. Step 3: Cross multiply
    70,571.32x = 97,388.01 × 38,306.58
  4. Step 4: Simplify right side
    70,571.32x = 3,730,601,404.57
  5. Step 5: Solve for x
    x = 3,730,601,404.57/70,571.32
  6. Step 6: Final answer
    x = 52,862.85

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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.