Home / 84,381.30-126,402.66-40,051.08

Finding the Fourth Proportional to 84,381.30, 126,402.66 and 40,051.08

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Solution

The fourth proportional to 84,381.30, 126,402.66 and 40,051.08 is: 59,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.30 : 126,402.66 = 40,051.08 : x
  2. Step 2: Convert to fraction form
    84,381.30/126,402.66 = 40,051.08/x
  3. Step 3: Cross multiply
    84,381.30x = 126,402.66 × 40,051.08
  4. Step 4: Simplify right side
    84,381.30x = 5,062,563,047.87
  5. Step 5: Solve for x
    x = 5,062,563,047.87/84,381.30
  6. Step 6: Final answer
    x = 59,996.27

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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.