Home / 113,819.40-157,069.91-62,832.15

Finding the Fourth Proportional to 113,819.40, 157,069.91 and 62,832.15

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Solution

The fourth proportional to 113,819.40, 157,069.91 and 62,832.15 is: 86,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.40 : 157,069.91 = 62,832.15 : x
  2. Step 2: Convert to fraction form
    113,819.40/157,069.91 = 62,832.15/x
  3. Step 3: Cross multiply
    113,819.40x = 157,069.91 × 62,832.15
  4. Step 4: Simplify right side
    113,819.40x = 9,869,040,302.69
  5. Step 5: Solve for x
    x = 9,869,040,302.69/113,819.40
  6. Step 6: Final answer
    x = 86,707.89

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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.