Home / 62,501.12-86,251.77-33,820.78

Finding the Fourth Proportional to 62,501.12, 86,251.77 and 33,820.78

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Solution

The fourth proportional to 62,501.12, 86,251.77 and 33,820.78 is: 46,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,501.12 : 86,251.77 = 33,820.78 : x
  2. Step 2: Convert to fraction form
    62,501.12/86,251.77 = 33,820.78/x
  3. Step 3: Cross multiply
    62,501.12x = 86,251.77 × 33,820.78
  4. Step 4: Simplify right side
    62,501.12x = 2,917,101,808.97
  5. Step 5: Solve for x
    x = 2,917,101,808.97/62,501.12
  6. Step 6: Final answer
    x = 46,672.80

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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.