Home / 113,759.40-156,986.93-62,772.60

Finding the Fourth Proportional to 113,759.40, 156,986.93 and 62,772.60

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Solution

The fourth proportional to 113,759.40, 156,986.93 and 62,772.60 is: 86,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,759.40 : 156,986.93 = 62,772.60 : x
  2. Step 2: Convert to fraction form
    113,759.40/156,986.93 = 62,772.60/x
  3. Step 3: Cross multiply
    113,759.40x = 156,986.93 × 62,772.60
  4. Step 4: Simplify right side
    113,759.40x = 9,854,477,919.05
  5. Step 5: Solve for x
    x = 9,854,477,919.05/113,759.40
  6. Step 6: Final answer
    x = 86,625.61

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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.