Home / 62,395.95-86,106.40-40,078.83

Finding the Fourth Proportional to 62,395.95, 86,106.40 and 40,078.83

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Solution

The fourth proportional to 62,395.95, 86,106.40 and 40,078.83 is: 55,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,395.95 : 86,106.40 = 40,078.83 : x
  2. Step 2: Convert to fraction form
    62,395.95/86,106.40 = 40,078.83/x
  3. Step 3: Cross multiply
    62,395.95x = 86,106.40 × 40,078.83
  4. Step 4: Simplify right side
    62,395.95x = 3,451,043,545.50
  5. Step 5: Solve for x
    x = 3,451,043,545.50/62,395.95
  6. Step 6: Final answer
    x = 55,308.78

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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.