Home / 67,933.53-93,749.37-37,720.80

Finding the Fourth Proportional to 67,933.53, 93,749.37 and 37,720.80

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Solution

The fourth proportional to 67,933.53, 93,749.37 and 37,720.80 is: 52,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.53 : 93,749.37 = 37,720.80 : x
  2. Step 2: Convert to fraction form
    67,933.53/93,749.37 = 37,720.80/x
  3. Step 3: Cross multiply
    67,933.53x = 93,749.37 × 37,720.80
  4. Step 4: Simplify right side
    67,933.53x = 3,536,301,235.90
  5. Step 5: Solve for x
    x = 3,536,301,235.90/67,933.53
  6. Step 6: Final answer
    x = 52,055.31

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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.