Home / 113,819.90-157,070.60-62,832.65

Finding the Fourth Proportional to 113,819.90, 157,070.60 and 62,832.65

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Solution

The fourth proportional to 113,819.90, 157,070.60 and 62,832.65 is: 86,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.90 : 157,070.60 = 62,832.65 : x
  2. Step 2: Convert to fraction form
    113,819.90/157,070.60 = 62,832.65/x
  3. Step 3: Cross multiply
    113,819.90x = 157,070.60 × 62,832.65
  4. Step 4: Simplify right side
    113,819.90x = 9,869,162,035.09
  5. Step 5: Solve for x
    x = 9,869,162,035.09/113,819.90
  6. Step 6: Final answer
    x = 86,708.58

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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.