Home / 81,041.10-121,571.35-24,873.86

Finding the Fourth Proportional to 81,041.10, 121,571.35 and 24,873.86

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Solution

The fourth proportional to 81,041.10, 121,571.35 and 24,873.86 is: 37,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,041.10 : 121,571.35 = 24,873.86 : x
  2. Step 2: Convert to fraction form
    81,041.10/121,571.35 = 24,873.86/x
  3. Step 3: Cross multiply
    81,041.10x = 121,571.35 × 24,873.86
  4. Step 4: Simplify right side
    81,041.10x = 3,023,948,739.91
  5. Step 5: Solve for x
    x = 3,023,948,739.91/81,041.10
  6. Step 6: Final answer
    x = 37,313.77

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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.