Home / 66,867.98-100,301.82-16,947.95

Finding the Fourth Proportional to 66,867.98, 100,301.82 and 16,947.95

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Solution

The fourth proportional to 66,867.98, 100,301.82 and 16,947.95 is: 25,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.98 : 100,301.82 = 16,947.95 : x
  2. Step 2: Convert to fraction form
    66,867.98/100,301.82 = 16,947.95/x
  3. Step 3: Cross multiply
    66,867.98x = 100,301.82 × 16,947.95
  4. Step 4: Simplify right side
    66,867.98x = 1,699,909,728.76
  5. Step 5: Solve for x
    x = 1,699,909,728.76/66,867.98
  6. Step 6: Final answer
    x = 25,421.88

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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.