Home / 67,822.11-101,659.32-57,931.47

Finding the Fourth Proportional to 67,822.11, 101,659.32 and 57,931.47

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Solution

The fourth proportional to 67,822.11, 101,659.32 and 57,931.47 is: 86,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,822.11 : 101,659.32 = 57,931.47 : x
  2. Step 2: Convert to fraction form
    67,822.11/101,659.32 = 57,931.47/x
  3. Step 3: Cross multiply
    67,822.11x = 101,659.32 × 57,931.47
  4. Step 4: Simplify right side
    67,822.11x = 5,889,273,846.80
  5. Step 5: Solve for x
    x = 5,889,273,846.80/67,822.11
  6. Step 6: Final answer
    x = 86,834.13

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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.