Home / 90,665.48-136,025.38-36,602.32

Finding the Fourth Proportional to 90,665.48, 136,025.38 and 36,602.32

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Solution

The fourth proportional to 90,665.48, 136,025.38 and 36,602.32 is: 54,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,665.48 : 136,025.38 = 36,602.32 : x
  2. Step 2: Convert to fraction form
    90,665.48/136,025.38 = 36,602.32/x
  3. Step 3: Cross multiply
    90,665.48x = 136,025.38 × 36,602.32
  4. Step 4: Simplify right side
    90,665.48x = 4,978,844,486.88
  5. Step 5: Solve for x
    x = 4,978,844,486.88/90,665.48
  6. Step 6: Final answer
    x = 54,914.44

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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.