Home / 68,681.43-94,782.45-38,466.66

Finding the Fourth Proportional to 68,681.43, 94,782.45 and 38,466.66

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Solution

The fourth proportional to 68,681.43, 94,782.45 and 38,466.66 is: 53,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,681.43 : 94,782.45 = 38,466.66 : x
  2. Step 2: Convert to fraction form
    68,681.43/94,782.45 = 38,466.66/x
  3. Step 3: Cross multiply
    68,681.43x = 94,782.45 × 38,466.66
  4. Step 4: Simplify right side
    68,681.43x = 3,645,964,278.12
  5. Step 5: Solve for x
    x = 3,645,964,278.12/68,681.43
  6. Step 6: Final answer
    x = 53,085.15

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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.