Home / 68,742.74-94,856.55-41,875.49

Finding the Fourth Proportional to 68,742.74, 94,856.55 and 41,875.49

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Solution

The fourth proportional to 68,742.74, 94,856.55 and 41,875.49 is: 57,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,742.74 : 94,856.55 = 41,875.49 : x
  2. Step 2: Convert to fraction form
    68,742.74/94,856.55 = 41,875.49/x
  3. Step 3: Cross multiply
    68,742.74x = 94,856.55 × 41,875.49
  4. Step 4: Simplify right side
    68,742.74x = 3,972,164,510.96
  5. Step 5: Solve for x
    x = 3,972,164,510.96/68,742.74
  6. Step 6: Final answer
    x = 57,783.04

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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.