Home / 90,754.36-136,131.67-35,350.36

Finding the Fourth Proportional to 90,754.36, 136,131.67 and 35,350.36

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Solution

The fourth proportional to 90,754.36, 136,131.67 and 35,350.36 is: 53,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.36 : 136,131.67 = 35,350.36 : x
  2. Step 2: Convert to fraction form
    90,754.36/136,131.67 = 35,350.36/x
  3. Step 3: Cross multiply
    90,754.36x = 136,131.67 × 35,350.36
  4. Step 4: Simplify right side
    90,754.36x = 4,812,303,541.90
  5. Step 5: Solve for x
    x = 4,812,303,541.90/90,754.36
  6. Step 6: Final answer
    x = 53,025.59

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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.