Home / 77,201.10-115,801.65-73,592.55

Finding the Fourth Proportional to 77,201.10, 115,801.65 and 73,592.55

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Solution

The fourth proportional to 77,201.10, 115,801.65 and 73,592.55 is: 110,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201.10 : 115,801.65 = 73,592.55 : x
  2. Step 2: Convert to fraction form
    77,201.10/115,801.65 = 73,592.55/x
  3. Step 3: Cross multiply
    77,201.10x = 115,801.65 × 73,592.55
  4. Step 4: Simplify right side
    77,201.10x = 8,522,138,717.71
  5. Step 5: Solve for x
    x = 8,522,138,717.71/77,201.10
  6. Step 6: Final answer
    x = 110,388.83

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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.