Home / 123,841.12-170,895.44-67,251.36

Finding the Fourth Proportional to 123,841.12, 170,895.44 and 67,251.36

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Solution

The fourth proportional to 123,841.12, 170,895.44 and 67,251.36 is: 92,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,841.12 : 170,895.44 = 67,251.36 : x
  2. Step 2: Convert to fraction form
    123,841.12/170,895.44 = 67,251.36/x
  3. Step 3: Cross multiply
    123,841.12x = 170,895.44 × 67,251.36
  4. Step 4: Simplify right side
    123,841.12x = 11,492,950,757.80
  5. Step 5: Solve for x
    x = 11,492,950,757.80/123,841.12
  6. Step 6: Final answer
    x = 92,804.00

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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.