Home / 55,421.90-83,132.85-33,260.30

Finding the Fourth Proportional to 55,421.90, 83,132.85 and 33,260.30

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Solution

The fourth proportional to 55,421.90, 83,132.85 and 33,260.30 is: 49,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.90 : 83,132.85 = 33,260.30 : x
  2. Step 2: Convert to fraction form
    55,421.90/83,132.85 = 33,260.30/x
  3. Step 3: Cross multiply
    55,421.90x = 83,132.85 × 33,260.30
  4. Step 4: Simplify right side
    55,421.90x = 2,765,023,530.86
  5. Step 5: Solve for x
    x = 2,765,023,530.86/55,421.90
  6. Step 6: Final answer
    x = 49,890.45

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Similar ratio
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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.