Home / 82,720.62-124,027.56-35,366.58

Finding the Fourth Proportional to 82,720.62, 124,027.56 and 35,366.58

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Solution

The fourth proportional to 82,720.62, 124,027.56 and 35,366.58 is: 53,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720.62 : 124,027.56 = 35,366.58 : x
  2. Step 2: Convert to fraction form
    82,720.62/124,027.56 = 35,366.58/x
  3. Step 3: Cross multiply
    82,720.62x = 124,027.56 × 35,366.58
  4. Step 4: Simplify right side
    82,720.62x = 4,386,430,622.94
  5. Step 5: Solve for x
    x = 4,386,430,622.94/82,720.62
  6. Step 6: Final answer
    x = 53,027.05

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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.