Home / 67,040.79-100,559.96-56,578.02

Finding the Fourth Proportional to 67,040.79, 100,559.96 and 56,578.02

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Solution

The fourth proportional to 67,040.79, 100,559.96 and 56,578.02 is: 84,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.79 : 100,559.96 = 56,578.02 : x
  2. Step 2: Convert to fraction form
    67,040.79/100,559.96 = 56,578.02/x
  3. Step 3: Cross multiply
    67,040.79x = 100,559.96 × 56,578.02
  4. Step 4: Simplify right side
    67,040.79x = 5,689,482,642.39
  5. Step 5: Solve for x
    x = 5,689,482,642.39/67,040.79
  6. Step 6: Final answer
    x = 84,865.99

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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.