Home / 90,366.63-135,538.38-23,811.90

Finding the Fourth Proportional to 90,366.63, 135,538.38 and 23,811.90

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Solution

The fourth proportional to 90,366.63, 135,538.38 and 23,811.90 is: 35,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.63 : 135,538.38 = 23,811.90 : x
  2. Step 2: Convert to fraction form
    90,366.63/135,538.38 = 23,811.90/x
  3. Step 3: Cross multiply
    90,366.63x = 135,538.38 × 23,811.90
  4. Step 4: Simplify right side
    90,366.63x = 3,227,426,350.72
  5. Step 5: Solve for x
    x = 3,227,426,350.72/90,366.63
  6. Step 6: Final answer
    x = 35,714.80

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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.