Home / 104,179.62-143,768.55-56,432.95

Finding the Fourth Proportional to 104,179.62, 143,768.55 and 56,432.95

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Solution

The fourth proportional to 104,179.62, 143,768.55 and 56,432.95 is: 77,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.62 : 143,768.55 = 56,432.95 : x
  2. Step 2: Convert to fraction form
    104,179.62/143,768.55 = 56,432.95/x
  3. Step 3: Cross multiply
    104,179.62x = 143,768.55 × 56,432.95
  4. Step 4: Simplify right side
    104,179.62x = 8,113,283,393.72
  5. Step 5: Solve for x
    x = 8,113,283,393.72/104,179.62
  6. Step 6: Final answer
    x = 77,877.84

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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.