Home / 79,256.86-109,409.37-55,476.88

Finding the Fourth Proportional to 79,256.86, 109,409.37 and 55,476.88

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Solution

The fourth proportional to 79,256.86, 109,409.37 and 55,476.88 is: 76,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,256.86 : 109,409.37 = 55,476.88 : x
  2. Step 2: Convert to fraction form
    79,256.86/109,409.37 = 55,476.88/x
  3. Step 3: Cross multiply
    79,256.86x = 109,409.37 × 55,476.88
  4. Step 4: Simplify right side
    79,256.86x = 6,069,690,008.80
  5. Step 5: Solve for x
    x = 6,069,690,008.80/79,256.86
  6. Step 6: Final answer
    x = 76,582.52

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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.