Home / 67,271.63-92,834.87-38,993.72

Finding the Fourth Proportional to 67,271.63, 92,834.87 and 38,993.72

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Solution

The fourth proportional to 67,271.63, 92,834.87 and 38,993.72 is: 53,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.63 : 92,834.87 = 38,993.72 : x
  2. Step 2: Convert to fraction form
    67,271.63/92,834.87 = 38,993.72/x
  3. Step 3: Cross multiply
    67,271.63x = 92,834.87 × 38,993.72
  4. Step 4: Simplify right side
    67,271.63x = 3,619,976,927.02
  5. Step 5: Solve for x
    x = 3,619,976,927.02/67,271.63
  6. Step 6: Final answer
    x = 53,811.35

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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.