Home / 62,780.43-86,643.09-35,926.77

Finding the Fourth Proportional to 62,780.43, 86,643.09 and 35,926.77

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Solution

The fourth proportional to 62,780.43, 86,643.09 and 35,926.77 is: 49,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.43 : 86,643.09 = 35,926.77 : x
  2. Step 2: Convert to fraction form
    62,780.43/86,643.09 = 35,926.77/x
  3. Step 3: Cross multiply
    62,780.43x = 86,643.09 × 35,926.77
  4. Step 4: Simplify right side
    62,780.43x = 3,112,806,366.52
  5. Step 5: Solve for x
    x = 3,112,806,366.52/62,780.43
  6. Step 6: Final answer
    x = 49,582.43

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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.