Home / 84,001.35-126,008.18-33,420.14

Finding the Fourth Proportional to 84,001.35, 126,008.18 and 33,420.14

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Solution

The fourth proportional to 84,001.35, 126,008.18 and 33,420.14 is: 50,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.35 : 126,008.18 = 33,420.14 : x
  2. Step 2: Convert to fraction form
    84,001.35/126,008.18 = 33,420.14/x
  3. Step 3: Cross multiply
    84,001.35x = 126,008.18 × 33,420.14
  4. Step 4: Simplify right side
    84,001.35x = 4,211,211,620.25
  5. Step 5: Solve for x
    x = 4,211,211,620.25/84,001.35
  6. Step 6: Final answer
    x = 50,132.66

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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.