Home / 55,176.04-82,712.20-28,898.04

Finding the Fourth Proportional to 55,176.04, 82,712.20 and 28,898.04

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Solution

The fourth proportional to 55,176.04, 82,712.20 and 28,898.04 is: 43,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.04 : 82,712.20 = 28,898.04 : x
  2. Step 2: Convert to fraction form
    55,176.04/82,712.20 = 28,898.04/x
  3. Step 3: Cross multiply
    55,176.04x = 82,712.20 × 28,898.04
  4. Step 4: Simplify right side
    55,176.04x = 2,390,220,464.09
  5. Step 5: Solve for x
    x = 2,390,220,464.09/55,176.04
  6. Step 6: Final answer
    x = 43,319.90

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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.