Home / 90,531.50-135,802.44-23,969.90

Finding the Fourth Proportional to 90,531.50, 135,802.44 and 23,969.90

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Solution

The fourth proportional to 90,531.50, 135,802.44 and 23,969.90 is: 35,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.50 : 135,802.44 = 23,969.90 : x
  2. Step 2: Convert to fraction form
    90,531.50/135,802.44 = 23,969.90/x
  3. Step 3: Cross multiply
    90,531.50x = 135,802.44 × 23,969.90
  4. Step 4: Simplify right side
    90,531.50x = 3,255,170,227.54
  5. Step 5: Solve for x
    x = 3,255,170,227.54/90,531.50
  6. Step 6: Final answer
    x = 35,956.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.