Home / 113,806.59-157,053.09-62,819.33

Finding the Fourth Proportional to 113,806.59, 157,053.09 and 62,819.33

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Solution

The fourth proportional to 113,806.59, 157,053.09 and 62,819.33 is: 86,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.59 : 157,053.09 = 62,819.33 : x
  2. Step 2: Convert to fraction form
    113,806.59/157,053.09 = 62,819.33/x
  3. Step 3: Cross multiply
    113,806.59x = 157,053.09 × 62,819.33
  4. Step 4: Simplify right side
    113,806.59x = 9,865,969,102.96
  5. Step 5: Solve for x
    x = 9,865,969,102.96/113,806.59
  6. Step 6: Final answer
    x = 86,690.67

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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.