Home / 67,933.52-93,749.36-37,720.78

Finding the Fourth Proportional to 67,933.52, 93,749.36 and 37,720.78

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Solution

The fourth proportional to 67,933.52, 93,749.36 and 37,720.78 is: 52,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.52 : 93,749.36 = 37,720.78 : x
  2. Step 2: Convert to fraction form
    67,933.52/93,749.36 = 37,720.78/x
  3. Step 3: Cross multiply
    67,933.52x = 93,749.36 × 37,720.78
  4. Step 4: Simplify right side
    67,933.52x = 3,536,298,983.70
  5. Step 5: Solve for x
    x = 3,536,298,983.70/67,933.52
  6. Step 6: Final answer
    x = 52,055.29

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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.