Home / 66,427.40-99,650.70-22,056.20

Finding the Fourth Proportional to 66,427.40, 99,650.70 and 22,056.20

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Solution

The fourth proportional to 66,427.40, 99,650.70 and 22,056.20 is: 33,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.40 : 99,650.70 = 22,056.20 : x
  2. Step 2: Convert to fraction form
    66,427.40/99,650.70 = 22,056.20/x
  3. Step 3: Cross multiply
    66,427.40x = 99,650.70 × 22,056.20
  4. Step 4: Simplify right side
    66,427.40x = 2,197,915,769.34
  5. Step 5: Solve for x
    x = 2,197,915,769.34/66,427.40
  6. Step 6: Final answer
    x = 33,087.49

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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.