Home / 113,806.61-157,053.13-62,819.36

Finding the Fourth Proportional to 113,806.61, 157,053.13 and 62,819.36

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Solution

The fourth proportional to 113,806.61, 157,053.13 and 62,819.36 is: 86,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.61 : 157,053.13 = 62,819.36 : x
  2. Step 2: Convert to fraction form
    113,806.61/157,053.13 = 62,819.36/x
  3. Step 3: Cross multiply
    113,806.61x = 157,053.13 × 62,819.36
  4. Step 4: Simplify right side
    113,806.61x = 9,865,976,582.54
  5. Step 5: Solve for x
    x = 9,865,976,582.54/113,806.61
  6. Step 6: Final answer
    x = 86,690.72

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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.