Home / 84,923.30-127,421.40-43,370.30

Finding the Fourth Proportional to 84,923.30, 127,421.40 and 43,370.30

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Solution

The fourth proportional to 84,923.30, 127,421.40 and 43,370.30 is: 65,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.30 : 127,421.40 = 43,370.30 : x
  2. Step 2: Convert to fraction form
    84,923.30/127,421.40 = 43,370.30/x
  3. Step 3: Cross multiply
    84,923.30x = 127,421.40 × 43,370.30
  4. Step 4: Simplify right side
    84,923.30x = 5,526,304,344.42
  5. Step 5: Solve for x
    x = 5,526,304,344.42/84,923.30
  6. Step 6: Final answer
    x = 65,074.07

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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.