Home / 68,572.85-94,638.38-38,365.82

Finding the Fourth Proportional to 68,572.85, 94,638.38 and 38,365.82

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Solution

The fourth proportional to 68,572.85, 94,638.38 and 38,365.82 is: 52,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,572.85 : 94,638.38 = 38,365.82 : x
  2. Step 2: Convert to fraction form
    68,572.85/94,638.38 = 38,365.82/x
  3. Step 3: Cross multiply
    68,572.85x = 94,638.38 × 38,365.82
  4. Step 4: Simplify right side
    68,572.85x = 3,630,878,742.04
  5. Step 5: Solve for x
    x = 3,630,878,742.04/68,572.85
  6. Step 6: Final answer
    x = 52,949.22

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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.