Home / 79,742.76-119,615.06-34,144.32

Finding the Fourth Proportional to 79,742.76, 119,615.06 and 34,144.32

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Solution

The fourth proportional to 79,742.76, 119,615.06 and 34,144.32 is: 51,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.76 : 119,615.06 = 34,144.32 : x
  2. Step 2: Convert to fraction form
    79,742.76/119,615.06 = 34,144.32/x
  3. Step 3: Cross multiply
    79,742.76x = 119,615.06 × 34,144.32
  4. Step 4: Simplify right side
    79,742.76x = 4,084,174,714.74
  5. Step 5: Solve for x
    x = 4,084,174,714.74/79,742.76
  6. Step 6: Final answer
    x = 51,216.87

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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.