Home / 79,529.76-119,291.51-26,939.24

Finding the Fourth Proportional to 79,529.76, 119,291.51 and 26,939.24

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Solution

The fourth proportional to 79,529.76, 119,291.51 and 26,939.24 is: 40,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.76 : 119,291.51 = 26,939.24 : x
  2. Step 2: Convert to fraction form
    79,529.76/119,291.51 = 26,939.24/x
  3. Step 3: Cross multiply
    79,529.76x = 119,291.51 × 26,939.24
  4. Step 4: Simplify right side
    79,529.76x = 3,213,621,886.70
  5. Step 5: Solve for x
    x = 3,213,621,886.70/79,529.76
  6. Step 6: Final answer
    x = 40,407.79

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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.