Home / 70,767.32-97,660.52-38,503.76

Finding the Fourth Proportional to 70,767.32, 97,660.52 and 38,503.76

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Solution

The fourth proportional to 70,767.32, 97,660.52 and 38,503.76 is: 53,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,767.32 : 97,660.52 = 38,503.76 : x
  2. Step 2: Convert to fraction form
    70,767.32/97,660.52 = 38,503.76/x
  3. Step 3: Cross multiply
    70,767.32x = 97,660.52 × 38,503.76
  4. Step 4: Simplify right side
    70,767.32x = 3,760,297,223.56
  5. Step 5: Solve for x
    x = 3,760,297,223.56/70,767.32
  6. Step 6: Final answer
    x = 53,136.07

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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.