Home / 70,926.70-97,875.90-38,660.61

Finding the Fourth Proportional to 70,926.70, 97,875.90 and 38,660.61

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Solution

The fourth proportional to 70,926.70, 97,875.90 and 38,660.61 is: 53,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.70 : 97,875.90 = 38,660.61 : x
  2. Step 2: Convert to fraction form
    70,926.70/97,875.90 = 38,660.61/x
  3. Step 3: Cross multiply
    70,926.70x = 97,875.90 × 38,660.61
  4. Step 4: Simplify right side
    70,926.70x = 3,783,942,144.42
  5. Step 5: Solve for x
    x = 3,783,942,144.42/70,926.70
  6. Step 6: Final answer
    x = 53,350.04

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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.