Home / 68,637.81-94,722.17-38,422.95

Finding the Fourth Proportional to 68,637.81, 94,722.17 and 38,422.95

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Solution

The fourth proportional to 68,637.81, 94,722.17 and 38,422.95 is: 53,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637.81 : 94,722.17 = 38,422.95 : x
  2. Step 2: Convert to fraction form
    68,637.81/94,722.17 = 38,422.95/x
  3. Step 3: Cross multiply
    68,637.81x = 94,722.17 × 38,422.95
  4. Step 4: Simplify right side
    68,637.81x = 3,639,505,009.69
  5. Step 5: Solve for x
    x = 3,639,505,009.69/68,637.81
  6. Step 6: Final answer
    x = 53,024.78

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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.