Home / 66,574.14-99,839.25-22,188.66

Finding the Fourth Proportional to 66,574.14, 99,839.25 and 22,188.66

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Solution

The fourth proportional to 66,574.14, 99,839.25 and 22,188.66 is: 33,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.14 : 99,839.25 = 22,188.66 : x
  2. Step 2: Convert to fraction form
    66,574.14/99,839.25 = 22,188.66/x
  3. Step 3: Cross multiply
    66,574.14x = 99,839.25 × 22,188.66
  4. Step 4: Simplify right side
    66,574.14x = 2,215,299,172.91
  5. Step 5: Solve for x
    x = 2,215,299,172.91/66,574.14
  6. Step 6: Final answer
    x = 33,275.67

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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.