Home / 106,917.12-147,539.50-59,167.60

Finding the Fourth Proportional to 106,917.12, 147,539.50 and 59,167.60

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Solution

The fourth proportional to 106,917.12, 147,539.50 and 59,167.60 is: 81,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,917.12 : 147,539.50 = 59,167.60 : x
  2. Step 2: Convert to fraction form
    106,917.12/147,539.50 = 59,167.60/x
  3. Step 3: Cross multiply
    106,917.12x = 147,539.50 × 59,167.60
  4. Step 4: Simplify right side
    106,917.12x = 8,729,558,120.20
  5. Step 5: Solve for x
    x = 8,729,558,120.20/106,917.12
  6. Step 6: Final answer
    x = 81,647.90

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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.