Home / 89,847.08-123,857.70-62,904.68

Finding the Fourth Proportional to 89,847.08, 123,857.70 and 62,904.68

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Solution

The fourth proportional to 89,847.08, 123,857.70 and 62,904.68 is: 86,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.08 : 123,857.70 = 62,904.68 : x
  2. Step 2: Convert to fraction form
    89,847.08/123,857.70 = 62,904.68/x
  3. Step 3: Cross multiply
    89,847.08x = 123,857.70 × 62,904.68
  4. Step 4: Simplify right side
    89,847.08x = 7,791,228,984.04
  5. Step 5: Solve for x
    x = 7,791,228,984.04/89,847.08
  6. Step 6: Final answer
    x = 86,716.55

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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.