Home / 90,579.66-135,825.81-37,975.02

Finding the Fourth Proportional to 90,579.66, 135,825.81 and 37,975.02

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Solution

The fourth proportional to 90,579.66, 135,825.81 and 37,975.02 is: 56,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579.66 : 135,825.81 = 37,975.02 : x
  2. Step 2: Convert to fraction form
    90,579.66/135,825.81 = 37,975.02/x
  3. Step 3: Cross multiply
    90,579.66x = 135,825.81 × 37,975.02
  4. Step 4: Simplify right side
    90,579.66x = 5,157,987,851.27
  5. Step 5: Solve for x
    x = 5,157,987,851.27/90,579.66
  6. Step 6: Final answer
    x = 56,944.22

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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.