Home / 79,114.06-109,177.56-43,306.36

Finding the Fourth Proportional to 79,114.06, 109,177.56 and 43,306.36

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Solution

The fourth proportional to 79,114.06, 109,177.56 and 43,306.36 is: 59,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.06 : 109,177.56 = 43,306.36 : x
  2. Step 2: Convert to fraction form
    79,114.06/109,177.56 = 43,306.36/x
  3. Step 3: Cross multiply
    79,114.06x = 109,177.56 × 43,306.36
  4. Step 4: Simplify right side
    79,114.06x = 4,728,082,444.34
  5. Step 5: Solve for x
    x = 4,728,082,444.34/79,114.06
  6. Step 6: Final answer
    x = 59,762.86

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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.