Home / 67,309.85-100,846.23-59,979.53

Finding the Fourth Proportional to 67,309.85, 100,846.23 and 59,979.53

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Solution

The fourth proportional to 67,309.85, 100,846.23 and 59,979.53 is: 89,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,309.85 : 100,846.23 = 59,979.53 : x
  2. Step 2: Convert to fraction form
    67,309.85/100,846.23 = 59,979.53/x
  3. Step 3: Cross multiply
    67,309.85x = 100,846.23 × 59,979.53
  4. Step 4: Simplify right side
    67,309.85x = 6,048,709,477.67
  5. Step 5: Solve for x
    x = 6,048,709,477.67/67,309.85
  6. Step 6: Final answer
    x = 89,863.66

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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.