Home / 43,939.20-65,908.80-32,275.20

Finding the Fourth Proportional to 43,939.20, 65,908.80 and 32,275.20

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Solution

The fourth proportional to 43,939.20, 65,908.80 and 32,275.20 is: 48,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.20 : 65,908.80 = 32,275.20 : x
  2. Step 2: Convert to fraction form
    43,939.20/65,908.80 = 32,275.20/x
  3. Step 3: Cross multiply
    43,939.20x = 65,908.80 × 32,275.20
  4. Step 4: Simplify right side
    43,939.20x = 2,127,219,701.76
  5. Step 5: Solve for x
    x = 2,127,219,701.76/43,939.20
  6. Step 6: Final answer
    x = 48,412.80

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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.