Home / 107,067.06-147,752.28-59,319.90

Finding the Fourth Proportional to 107,067.06, 147,752.28 and 59,319.90

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Solution

The fourth proportional to 107,067.06, 147,752.28 and 59,319.90 is: 81,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,067.06 : 147,752.28 = 59,319.90 : x
  2. Step 2: Convert to fraction form
    107,067.06/147,752.28 = 59,319.90/x
  3. Step 3: Cross multiply
    107,067.06x = 147,752.28 × 59,319.90
  4. Step 4: Simplify right side
    107,067.06x = 8,764,650,474.37
  5. Step 5: Solve for x
    x = 8,764,650,474.37/107,067.06
  6. Step 6: Final answer
    x = 81,861.32

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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.