Home / 75,628.20-113,327.10-63,877.80

Finding the Fourth Proportional to 75,628.20, 113,327.10 and 63,877.80

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Solution

The fourth proportional to 75,628.20, 113,327.10 and 63,877.80 is: 95,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.20 : 113,327.10 = 63,877.80 : x
  2. Step 2: Convert to fraction form
    75,628.20/113,327.10 = 63,877.80/x
  3. Step 3: Cross multiply
    75,628.20x = 113,327.10 × 63,877.80
  4. Step 4: Simplify right side
    75,628.20x = 7,239,085,828.38
  5. Step 5: Solve for x
    x = 7,239,085,828.38/75,628.20
  6. Step 6: Final answer
    x = 95,719.40

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1.5x scale

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.