Home / 68,904.23-103,335.80-26,790.84

Finding the Fourth Proportional to 68,904.23, 103,335.80 and 26,790.84

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Solution

The fourth proportional to 68,904.23, 103,335.80 and 26,790.84 is: 40,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.23 : 103,335.80 = 26,790.84 : x
  2. Step 2: Convert to fraction form
    68,904.23/103,335.80 = 26,790.84/x
  3. Step 3: Cross multiply
    68,904.23x = 103,335.80 × 26,790.84
  4. Step 4: Simplify right side
    68,904.23x = 2,768,452,750.12
  5. Step 5: Solve for x
    x = 2,768,452,750.12/68,904.23
  6. Step 6: Final answer
    x = 40,178.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.