Home / 66,224.56-99,221.28-55,202.08

Finding the Fourth Proportional to 66,224.56, 99,221.28 and 55,202.08

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Solution

The fourth proportional to 66,224.56, 99,221.28 and 55,202.08 is: 82,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224.56 : 99,221.28 = 55,202.08 : x
  2. Step 2: Convert to fraction form
    66,224.56/99,221.28 = 55,202.08/x
  3. Step 3: Cross multiply
    66,224.56x = 99,221.28 × 55,202.08
  4. Step 4: Simplify right side
    66,224.56x = 5,477,221,036.26
  5. Step 5: Solve for x
    x = 5,477,221,036.26/66,224.56
  6. Step 6: Final answer
    x = 82,706.79

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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.