Home / 90,807.05-136,249.74-34,664.01

Finding the Fourth Proportional to 90,807.05, 136,249.74 and 34,664.01

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Solution

The fourth proportional to 90,807.05, 136,249.74 and 34,664.01 is: 52,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,807.05 : 136,249.74 = 34,664.01 : x
  2. Step 2: Convert to fraction form
    90,807.05/136,249.74 = 34,664.01/x
  3. Step 3: Cross multiply
    90,807.05x = 136,249.74 × 34,664.01
  4. Step 4: Simplify right side
    90,807.05x = 4,722,962,349.86
  5. Step 5: Solve for x
    x = 4,722,962,349.86/90,807.05
  6. Step 6: Final answer
    x = 52,010.97

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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.