Home / 90,356.05-135,540.74-23,795.72

Finding the Fourth Proportional to 90,356.05, 135,540.74 and 23,795.72

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Solution

The fourth proportional to 90,356.05, 135,540.74 and 23,795.72 is: 35,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,356.05 : 135,540.74 = 23,795.72 : x
  2. Step 2: Convert to fraction form
    90,356.05/135,540.74 = 23,795.72/x
  3. Step 3: Cross multiply
    90,356.05x = 135,540.74 × 23,795.72
  4. Step 4: Simplify right side
    90,356.05x = 3,225,289,497.63
  5. Step 5: Solve for x
    x = 3,225,289,497.63/90,356.05
  6. Step 6: Final answer
    x = 35,695.34

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1.5x scale

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.