Home / 68,626.88-94,705.07-38,412.19

Finding the Fourth Proportional to 68,626.88, 94,705.07 and 38,412.19

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Solution

The fourth proportional to 68,626.88, 94,705.07 and 38,412.19 is: 53,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.88 : 94,705.07 = 38,412.19 : x
  2. Step 2: Convert to fraction form
    68,626.88/94,705.07 = 38,412.19/x
  3. Step 3: Cross multiply
    68,626.88x = 94,705.07 × 38,412.19
  4. Step 4: Simplify right side
    68,626.88x = 3,637,828,713.98
  5. Step 5: Solve for x
    x = 3,637,828,713.98/68,626.88
  6. Step 6: Final answer
    x = 53,008.81

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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.