Home / 84,064.05-126,126.18-36,012.50

Finding the Fourth Proportional to 84,064.05, 126,126.18 and 36,012.50

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Solution

The fourth proportional to 84,064.05, 126,126.18 and 36,012.50 is: 54,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,064.05 : 126,126.18 = 36,012.50 : x
  2. Step 2: Convert to fraction form
    84,064.05/126,126.18 = 36,012.50/x
  3. Step 3: Cross multiply
    84,064.05x = 126,126.18 × 36,012.50
  4. Step 4: Simplify right side
    84,064.05x = 4,542,118,426.62
  5. Step 5: Solve for x
    x = 4,542,118,426.62/84,064.05
  6. Step 6: Final answer
    x = 54,031.64

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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.