Home / 84,207.96-126,245.70-42,066.30

Finding the Fourth Proportional to 84,207.96, 126,245.70 and 42,066.30

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Solution

The fourth proportional to 84,207.96, 126,245.70 and 42,066.30 is: 63,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,207.96 : 126,245.70 = 42,066.30 : x
  2. Step 2: Convert to fraction form
    84,207.96/126,245.70 = 42,066.30/x
  3. Step 3: Cross multiply
    84,207.96x = 126,245.70 × 42,066.30
  4. Step 4: Simplify right side
    84,207.96x = 5,310,689,489.91
  5. Step 5: Solve for x
    x = 5,310,689,489.91/84,207.96
  6. Step 6: Final answer
    x = 63,066.36

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1.5x scale

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.