Home / 104,112.97-143,675.70-56,366.31

Finding the Fourth Proportional to 104,112.97, 143,675.70 and 56,366.31

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Solution

The fourth proportional to 104,112.97, 143,675.70 and 56,366.31 is: 77,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,112.97 : 143,675.70 = 56,366.31 : x
  2. Step 2: Convert to fraction form
    104,112.97/143,675.70 = 56,366.31/x
  3. Step 3: Cross multiply
    104,112.97x = 143,675.70 × 56,366.31
  4. Step 4: Simplify right side
    104,112.97x = 8,098,469,045.67
  5. Step 5: Solve for x
    x = 8,098,469,045.67/104,112.97
  6. Step 6: Final answer
    x = 77,785.40

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1.5x scale

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.