Home / 80,564.56-111,076.88-57,622.01

Finding the Fourth Proportional to 80,564.56, 111,076.88 and 57,622.01

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Solution

The fourth proportional to 80,564.56, 111,076.88 and 57,622.01 is: 79,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.56 : 111,076.88 = 57,622.01 : x
  2. Step 2: Convert to fraction form
    80,564.56/111,076.88 = 57,622.01/x
  3. Step 3: Cross multiply
    80,564.56x = 111,076.88 × 57,622.01
  4. Step 4: Simplify right side
    80,564.56x = 6,400,472,246.63
  5. Step 5: Solve for x
    x = 6,400,472,246.63/80,564.56
  6. Step 6: Final answer
    x = 79,445.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.