Home / 55,501.20-83,257.27-20,432.66

Finding the Fourth Proportional to 55,501.20, 83,257.27 and 20,432.66

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Solution

The fourth proportional to 55,501.20, 83,257.27 and 20,432.66 is: 30,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.20 : 83,257.27 = 20,432.66 : x
  2. Step 2: Convert to fraction form
    55,501.20/83,257.27 = 20,432.66/x
  3. Step 3: Cross multiply
    55,501.20x = 83,257.27 × 20,432.66
  4. Step 4: Simplify right side
    55,501.20x = 1,701,167,023.07
  5. Step 5: Solve for x
    x = 1,701,167,023.07/55,501.20
  6. Step 6: Final answer
    x = 30,651.00

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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.