Home / 67,716.69-100,860.06-64,160.39

Finding the Fourth Proportional to 67,716.69, 100,860.06 and 64,160.39

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Solution

The fourth proportional to 67,716.69, 100,860.06 and 64,160.39 is: 95,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716.69 : 100,860.06 = 64,160.39 : x
  2. Step 2: Convert to fraction form
    67,716.69/100,860.06 = 64,160.39/x
  3. Step 3: Cross multiply
    67,716.69x = 100,860.06 × 64,160.39
  4. Step 4: Simplify right side
    67,716.69x = 6,471,220,280.72
  5. Step 5: Solve for x
    x = 6,471,220,280.72/67,716.69
  6. Step 6: Final answer
    x = 95,563.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.