Home / 113,562.46-156,716.31-65,825.02

Finding the Fourth Proportional to 113,562.46, 156,716.31 and 65,825.02

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Solution

The fourth proportional to 113,562.46, 156,716.31 and 65,825.02 is: 90,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,562.46 : 156,716.31 = 65,825.02 : x
  2. Step 2: Convert to fraction form
    113,562.46/156,716.31 = 65,825.02/x
  3. Step 3: Cross multiply
    113,562.46x = 156,716.31 × 65,825.02
  4. Step 4: Simplify right side
    113,562.46x = 10,315,854,240.08
  5. Step 5: Solve for x
    x = 10,315,854,240.08/113,562.46
  6. Step 6: Final answer
    x = 90,838.59

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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.