Home / 283,869.15-425,811.41-70,628.45

Finding the Fourth Proportional to 283,869.15, 425,811.41 and 70,628.45

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Solution

The fourth proportional to 283,869.15, 425,811.41 and 70,628.45 is: 105,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,869.15 : 425,811.41 = 70,628.45 : x
  2. Step 2: Convert to fraction form
    283,869.15/425,811.41 = 70,628.45/x
  3. Step 3: Cross multiply
    283,869.15x = 425,811.41 × 70,628.45
  4. Step 4: Simplify right side
    283,869.15x = 30,074,397,398.42
  5. Step 5: Solve for x
    x = 30,074,397,398.42/283,869.15
  6. Step 6: Final answer
    x = 105,944.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.