Home / 68,637.50-94,721.35-38,422.06

Finding the Fourth Proportional to 68,637.50, 94,721.35 and 38,422.06

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Solution

The fourth proportional to 68,637.50, 94,721.35 and 38,422.06 is: 53,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637.50 : 94,721.35 = 38,422.06 : x
  2. Step 2: Convert to fraction form
    68,637.50/94,721.35 = 38,422.06/x
  3. Step 3: Cross multiply
    68,637.50x = 94,721.35 × 38,422.06
  4. Step 4: Simplify right side
    68,637.50x = 3,639,389,392.98
  5. Step 5: Solve for x
    x = 3,639,389,392.98/68,637.50
  6. Step 6: Final answer
    x = 53,023.34

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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.