Home / 68,688.54-94,789.08-38,473.76

Finding the Fourth Proportional to 68,688.54, 94,789.08 and 38,473.76

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Solution

The fourth proportional to 68,688.54, 94,789.08 and 38,473.76 is: 53,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688.54 : 94,789.08 = 38,473.76 : x
  2. Step 2: Convert to fraction form
    68,688.54/94,789.08 = 38,473.76/x
  3. Step 3: Cross multiply
    68,688.54x = 94,789.08 × 38,473.76
  4. Step 4: Simplify right side
    68,688.54x = 3,646,891,840.60
  5. Step 5: Solve for x
    x = 3,646,891,840.60/68,688.54
  6. Step 6: Final answer
    x = 53,093.16

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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.