Home / 106,556.60-147,067.18-63,538.87

Finding the Fourth Proportional to 106,556.60, 147,067.18 and 63,538.87

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Solution

The fourth proportional to 106,556.60, 147,067.18 and 63,538.87 is: 87,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,556.60 : 147,067.18 = 63,538.87 : x
  2. Step 2: Convert to fraction form
    106,556.60/147,067.18 = 63,538.87/x
  3. Step 3: Cross multiply
    106,556.60x = 147,067.18 × 63,538.87
  4. Step 4: Simplify right side
    106,556.60x = 9,344,482,431.29
  5. Step 5: Solve for x
    x = 9,344,482,431.29/106,556.60
  6. Step 6: Final answer
    x = 87,695.01

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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.