Home / 68,781.68-94,935.59-41,938.98

Finding the Fourth Proportional to 68,781.68, 94,935.59 and 41,938.98

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Solution

The fourth proportional to 68,781.68, 94,935.59 and 41,938.98 is: 57,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,781.68 : 94,935.59 = 41,938.98 : x
  2. Step 2: Convert to fraction form
    68,781.68/94,935.59 = 41,938.98/x
  3. Step 3: Cross multiply
    68,781.68x = 94,935.59 × 41,938.98
  4. Step 4: Simplify right side
    68,781.68x = 3,981,501,600.60
  5. Step 5: Solve for x
    x = 3,981,501,600.60/68,781.68
  6. Step 6: Final answer
    x = 57,886.08

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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.