Home / 69,636.65-96,121.45-40,955.06

Finding the Fourth Proportional to 69,636.65, 96,121.45 and 40,955.06

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Solution

The fourth proportional to 69,636.65, 96,121.45 and 40,955.06 is: 56,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.65 : 96,121.45 = 40,955.06 : x
  2. Step 2: Convert to fraction form
    69,636.65/96,121.45 = 40,955.06/x
  3. Step 3: Cross multiply
    69,636.65x = 96,121.45 × 40,955.06
  4. Step 4: Simplify right side
    69,636.65x = 3,936,659,752.04
  5. Step 5: Solve for x
    x = 3,936,659,752.04/69,636.65
  6. Step 6: Final answer
    x = 56,531.43

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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.