Home / 45,502.20-68,253.30-42,910.20

Finding the Fourth Proportional to 45,502.20, 68,253.30 and 42,910.20

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Solution

The fourth proportional to 45,502.20, 68,253.30 and 42,910.20 is: 64,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.20 : 68,253.30 = 42,910.20 : x
  2. Step 2: Convert to fraction form
    45,502.20/68,253.30 = 42,910.20/x
  3. Step 3: Cross multiply
    45,502.20x = 68,253.30 × 42,910.20
  4. Step 4: Simplify right side
    45,502.20x = 2,928,762,753.66
  5. Step 5: Solve for x
    x = 2,928,762,753.66/45,502.20
  6. Step 6: Final answer
    x = 64,365.30

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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.