Home / 62,878.15-86,772.07-34,197.81

Finding the Fourth Proportional to 62,878.15, 86,772.07 and 34,197.81

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Solution

The fourth proportional to 62,878.15, 86,772.07 and 34,197.81 is: 47,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.15 : 86,772.07 = 34,197.81 : x
  2. Step 2: Convert to fraction form
    62,878.15/86,772.07 = 34,197.81/x
  3. Step 3: Cross multiply
    62,878.15x = 86,772.07 × 34,197.81
  4. Step 4: Simplify right side
    62,878.15x = 2,967,414,650.63
  5. Step 5: Solve for x
    x = 2,967,414,650.63/62,878.15
  6. Step 6: Final answer
    x = 47,193.10

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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.