Home / 68,747.76-94,871.61-38,533.08

Finding the Fourth Proportional to 68,747.76, 94,871.61 and 38,533.08

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Solution

The fourth proportional to 68,747.76, 94,871.61 and 38,533.08 is: 53,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,747.76 : 94,871.61 = 38,533.08 : x
  2. Step 2: Convert to fraction form
    68,747.76/94,871.61 = 38,533.08/x
  3. Step 3: Cross multiply
    68,747.76x = 94,871.61 × 38,533.08
  4. Step 4: Simplify right side
    68,747.76x = 3,655,695,337.86
  5. Step 5: Solve for x
    x = 3,655,695,337.86/68,747.76
  6. Step 6: Final answer
    x = 53,175.48

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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.