Home / 55,810.20-83,909.70-47,256.60

Finding the Fourth Proportional to 55,810.20, 83,909.70 and 47,256.60

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Solution

The fourth proportional to 55,810.20, 83,909.70 and 47,256.60 is: 71,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.20 : 83,909.70 = 47,256.60 : x
  2. Step 2: Convert to fraction form
    55,810.20/83,909.70 = 47,256.60/x
  3. Step 3: Cross multiply
    55,810.20x = 83,909.70 × 47,256.60
  4. Step 4: Simplify right side
    55,810.20x = 3,965,287,129.02
  5. Step 5: Solve for x
    x = 3,965,287,129.02/55,810.20
  6. Step 6: Final answer
    x = 71,049.51

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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.