Home / 68,143.37-94,033.14-42,648.66

Finding the Fourth Proportional to 68,143.37, 94,033.14 and 42,648.66

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Solution

The fourth proportional to 68,143.37, 94,033.14 and 42,648.66 is: 58,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143.37 : 94,033.14 = 42,648.66 : x
  2. Step 2: Convert to fraction form
    68,143.37/94,033.14 = 42,648.66/x
  3. Step 3: Cross multiply
    68,143.37x = 94,033.14 × 42,648.66
  4. Step 4: Simplify right side
    68,143.37x = 4,010,387,416.59
  5. Step 5: Solve for x
    x = 4,010,387,416.59/68,143.37
  6. Step 6: Final answer
    x = 58,852.21

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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.