Home / 62,826.61-86,720.91-40,226.47

Finding the Fourth Proportional to 62,826.61, 86,720.91 and 40,226.47

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Solution

The fourth proportional to 62,826.61, 86,720.91 and 40,226.47 is: 55,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,826.61 : 86,720.91 = 40,226.47 : x
  2. Step 2: Convert to fraction form
    62,826.61/86,720.91 = 40,226.47/x
  3. Step 3: Cross multiply
    62,826.61x = 86,720.91 × 40,226.47
  4. Step 4: Simplify right side
    62,826.61x = 3,488,476,084.49
  5. Step 5: Solve for x
    x = 3,488,476,084.49/62,826.61
  6. Step 6: Final answer
    x = 55,525.45

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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.