Home / 61,799.67-85,286.66-34,578.81

Finding the Fourth Proportional to 61,799.67, 85,286.66 and 34,578.81

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Solution

The fourth proportional to 61,799.67, 85,286.66 and 34,578.81 is: 47,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799.67 : 85,286.66 = 34,578.81 : x
  2. Step 2: Convert to fraction form
    61,799.67/85,286.66 = 34,578.81/x
  3. Step 3: Cross multiply
    61,799.67x = 85,286.66 × 34,578.81
  4. Step 4: Simplify right side
    61,799.67x = 2,949,111,038.78
  5. Step 5: Solve for x
    x = 2,949,111,038.78/61,799.67
  6. Step 6: Final answer
    x = 47,720.50

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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.