Home / 55,500.20-76,585.91-31,622.21

Finding the Fourth Proportional to 55,500.20, 76,585.91 and 31,622.21

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Solution

The fourth proportional to 55,500.20, 76,585.91 and 31,622.21 is: 43,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500.20 : 76,585.91 = 31,622.21 : x
  2. Step 2: Convert to fraction form
    55,500.20/76,585.91 = 31,622.21/x
  3. Step 3: Cross multiply
    55,500.20x = 76,585.91 × 31,622.21
  4. Step 4: Simplify right side
    55,500.20x = 2,421,815,188.02
  5. Step 5: Solve for x
    x = 2,421,815,188.02/55,500.20
  6. Step 6: Final answer
    x = 43,636.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.