Home / 162,104.63-243,163.89-49,789.32

Finding the Fourth Proportional to 162,104.63, 243,163.89 and 49,789.32

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Solution

The fourth proportional to 162,104.63, 243,163.89 and 49,789.32 is: 74,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,104.63 : 243,163.89 = 49,789.32 : x
  2. Step 2: Convert to fraction form
    162,104.63/243,163.89 = 49,789.32/x
  3. Step 3: Cross multiply
    162,104.63x = 243,163.89 × 49,789.32
  4. Step 4: Simplify right side
    162,104.63x = 12,106,963,819.79
  5. Step 5: Solve for x
    x = 12,106,963,819.79/162,104.63
  6. Step 6: Final answer
    x = 74,686.11

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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.