Home / 104,422.62-143,994.25-61,972.95

Finding the Fourth Proportional to 104,422.62, 143,994.25 and 61,972.95

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Solution

The fourth proportional to 104,422.62, 143,994.25 and 61,972.95 is: 85,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.62 : 143,994.25 = 61,972.95 : x
  2. Step 2: Convert to fraction form
    104,422.62/143,994.25 = 61,972.95/x
  3. Step 3: Cross multiply
    104,422.62x = 143,994.25 × 61,972.95
  4. Step 4: Simplify right side
    104,422.62x = 8,923,748,455.54
  5. Step 5: Solve for x
    x = 8,923,748,455.54/104,422.62
  6. Step 6: Final answer
    x = 85,458.00

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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.