Home / 69,362.06-95,712.32-40,284.75

Finding the Fourth Proportional to 69,362.06, 95,712.32 and 40,284.75

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Solution

The fourth proportional to 69,362.06, 95,712.32 and 40,284.75 is: 55,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.06 : 95,712.32 = 40,284.75 : x
  2. Step 2: Convert to fraction form
    69,362.06/95,712.32 = 40,284.75/x
  3. Step 3: Cross multiply
    69,362.06x = 95,712.32 × 40,284.75
  4. Step 4: Simplify right side
    69,362.06x = 3,855,746,442.42
  5. Step 5: Solve for x
    x = 3,855,746,442.42/69,362.06
  6. Step 6: Final answer
    x = 55,588.70

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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.