Home / 67,780.16-101,673.48-32,749.28

Finding the Fourth Proportional to 67,780.16, 101,673.48 and 32,749.28

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Solution

The fourth proportional to 67,780.16, 101,673.48 and 32,749.28 is: 49,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,780.16 : 101,673.48 = 32,749.28 : x
  2. Step 2: Convert to fraction form
    67,780.16/101,673.48 = 32,749.28/x
  3. Step 3: Cross multiply
    67,780.16x = 101,673.48 × 32,749.28
  4. Step 4: Simplify right side
    67,780.16x = 3,329,733,265.09
  5. Step 5: Solve for x
    x = 3,329,733,265.09/67,780.16
  6. Step 6: Final answer
    x = 49,125.49

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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.