Home / 77,570.52-116,353.46-21,414.06

Finding the Fourth Proportional to 77,570.52, 116,353.46 and 21,414.06

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Solution

The fourth proportional to 77,570.52, 116,353.46 and 21,414.06 is: 32,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.52 : 116,353.46 = 21,414.06 : x
  2. Step 2: Convert to fraction form
    77,570.52/116,353.46 = 21,414.06/x
  3. Step 3: Cross multiply
    77,570.52x = 116,353.46 × 21,414.06
  4. Step 4: Simplify right side
    77,570.52x = 2,491,599,866.58
  5. Step 5: Solve for x
    x = 2,491,599,866.58/77,570.52
  6. Step 6: Final answer
    x = 32,120.45

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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.