Home / 67,868.11-93,658.55-37,655.40

Finding the Fourth Proportional to 67,868.11, 93,658.55 and 37,655.40

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Solution

The fourth proportional to 67,868.11, 93,658.55 and 37,655.40 is: 51,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,868.11 : 93,658.55 = 37,655.40 : x
  2. Step 2: Convert to fraction form
    67,868.11/93,658.55 = 37,655.40/x
  3. Step 3: Cross multiply
    67,868.11x = 93,658.55 × 37,655.40
  4. Step 4: Simplify right side
    67,868.11x = 3,526,750,163.67
  5. Step 5: Solve for x
    x = 3,526,750,163.67/67,868.11
  6. Step 6: Final answer
    x = 51,964.76

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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.