Home / 67,634.07-93,364.90-40,419.75

Finding the Fourth Proportional to 67,634.07, 93,364.90 and 40,419.75

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Solution

The fourth proportional to 67,634.07, 93,364.90 and 40,419.75 is: 55,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,634.07 : 93,364.90 = 40,419.75 : x
  2. Step 2: Convert to fraction form
    67,634.07/93,364.90 = 40,419.75/x
  3. Step 3: Cross multiply
    67,634.07x = 93,364.90 × 40,419.75
  4. Step 4: Simplify right side
    67,634.07x = 3,773,785,916.78
  5. Step 5: Solve for x
    x = 3,773,785,916.78/67,634.07
  6. Step 6: Final answer
    x = 55,797.11

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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.