Home / 81,403.44-112,337.87-45,593.21

Finding the Fourth Proportional to 81,403.44, 112,337.87 and 45,593.21

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Solution

The fourth proportional to 81,403.44, 112,337.87 and 45,593.21 is: 62,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,403.44 : 112,337.87 = 45,593.21 : x
  2. Step 2: Convert to fraction form
    81,403.44/112,337.87 = 45,593.21/x
  3. Step 3: Cross multiply
    81,403.44x = 112,337.87 × 45,593.21
  4. Step 4: Simplify right side
    81,403.44x = 5,121,843,308.21
  5. Step 5: Solve for x
    x = 5,121,843,308.21/81,403.44
  6. Step 6: Final answer
    x = 62,919.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.