Home / 84,031.77-126,066.39-36,654.57

Finding the Fourth Proportional to 84,031.77, 126,066.39 and 36,654.57

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Solution

The fourth proportional to 84,031.77, 126,066.39 and 36,654.57 is: 54,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.77 : 126,066.39 = 36,654.57 : x
  2. Step 2: Convert to fraction form
    84,031.77/126,066.39 = 36,654.57/x
  3. Step 3: Cross multiply
    84,031.77x = 126,066.39 × 36,654.57
  4. Step 4: Simplify right side
    84,031.77x = 4,620,909,316.90
  5. Step 5: Solve for x
    x = 4,620,909,316.90/84,031.77
  6. Step 6: Final answer
    x = 54,990.03

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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.