Home / 68,722.65-94,836.65-38,508.23

Finding the Fourth Proportional to 68,722.65, 94,836.65 and 38,508.23

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Solution

The fourth proportional to 68,722.65, 94,836.65 and 38,508.23 is: 53,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.65 : 94,836.65 = 38,508.23 : x
  2. Step 2: Convert to fraction form
    68,722.65/94,836.65 = 38,508.23/x
  3. Step 3: Cross multiply
    68,722.65x = 94,836.65 × 38,508.23
  4. Step 4: Simplify right side
    68,722.65x = 3,651,991,575.18
  5. Step 5: Solve for x
    x = 3,651,991,575.18/68,722.65
  6. Step 6: Final answer
    x = 53,141.02

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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.