Home / 79,507.14-109,714.66-45,515.89

Finding the Fourth Proportional to 79,507.14, 109,714.66 and 45,515.89

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Solution

The fourth proportional to 79,507.14, 109,714.66 and 45,515.89 is: 62,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507.14 : 109,714.66 = 45,515.89 : x
  2. Step 2: Convert to fraction form
    79,507.14/109,714.66 = 45,515.89/x
  3. Step 3: Cross multiply
    79,507.14x = 109,714.66 × 45,515.89
  4. Step 4: Simplify right side
    79,507.14x = 4,993,760,395.95
  5. Step 5: Solve for x
    x = 4,993,760,395.95/79,507.14
  6. Step 6: Final answer
    x = 62,808.96

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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.