Home / 102,282.89-141,149.25-56,959.88

Finding the Fourth Proportional to 102,282.89, 141,149.25 and 56,959.88

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Solution

The fourth proportional to 102,282.89, 141,149.25 and 56,959.88 is: 78,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,282.89 : 141,149.25 = 56,959.88 : x
  2. Step 2: Convert to fraction form
    102,282.89/141,149.25 = 56,959.88/x
  3. Step 3: Cross multiply
    102,282.89x = 141,149.25 × 56,959.88
  4. Step 4: Simplify right side
    102,282.89x = 8,039,844,342.09
  5. Step 5: Solve for x
    x = 8,039,844,342.09/102,282.89
  6. Step 6: Final answer
    x = 78,604.00

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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.