Home / 72,284.91-108,381.08-34,770.26

Finding the Fourth Proportional to 72,284.91, 108,381.08 and 34,770.26

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Solution

The fourth proportional to 72,284.91, 108,381.08 and 34,770.26 is: 52,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,284.91 : 108,381.08 = 34,770.26 : x
  2. Step 2: Convert to fraction form
    72,284.91/108,381.08 = 34,770.26/x
  3. Step 3: Cross multiply
    72,284.91x = 108,381.08 × 34,770.26
  4. Step 4: Simplify right side
    72,284.91x = 3,768,437,614.92
  5. Step 5: Solve for x
    x = 3,768,437,614.92/72,284.91
  6. Step 6: Final answer
    x = 52,133.12

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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.