Home / 123,713.98-170,727.27-67,125.35

Finding the Fourth Proportional to 123,713.98, 170,727.27 and 67,125.35

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Solution

The fourth proportional to 123,713.98, 170,727.27 and 67,125.35 is: 92,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,713.98 : 170,727.27 = 67,125.35 : x
  2. Step 2: Convert to fraction form
    123,713.98/170,727.27 = 67,125.35/x
  3. Step 3: Cross multiply
    123,713.98x = 170,727.27 × 67,125.35
  4. Step 4: Simplify right side
    123,713.98x = 11,460,127,753.29
  5. Step 5: Solve for x
    x = 11,460,127,753.29/123,713.98
  6. Step 6: Final answer
    x = 92,634.06

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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.