Home / 66,563.16-99,833.94-22,190.28

Finding the Fourth Proportional to 66,563.16, 99,833.94 and 22,190.28

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Solution

The fourth proportional to 66,563.16, 99,833.94 and 22,190.28 is: 33,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.16 : 99,833.94 = 22,190.28 : x
  2. Step 2: Convert to fraction form
    66,563.16/99,833.94 = 22,190.28/x
  3. Step 3: Cross multiply
    66,563.16x = 99,833.94 × 22,190.28
  4. Step 4: Simplify right side
    66,563.16x = 2,215,343,082.10
  5. Step 5: Solve for x
    x = 2,215,343,082.10/66,563.16
  6. Step 6: Final answer
    x = 33,281.82

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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.