Home / 124,634.98-171,947.10-76,805.02

Finding the Fourth Proportional to 124,634.98, 171,947.10 and 76,805.02

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Solution

The fourth proportional to 124,634.98, 171,947.10 and 76,805.02 is: 105,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,634.98 : 171,947.10 = 76,805.02 : x
  2. Step 2: Convert to fraction form
    124,634.98/171,947.10 = 76,805.02/x
  3. Step 3: Cross multiply
    124,634.98x = 171,947.10 × 76,805.02
  4. Step 4: Simplify right side
    124,634.98x = 13,206,400,454.44
  5. Step 5: Solve for x
    x = 13,206,400,454.44/124,634.98
  6. Step 6: Final answer
    x = 105,960.63

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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.