Home / 107,799.83-161,687.40-28,907.93

Finding the Fourth Proportional to 107,799.83, 161,687.40 and 28,907.93

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Solution

The fourth proportional to 107,799.83, 161,687.40 and 28,907.93 is: 43,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,799.83 : 161,687.40 = 28,907.93 : x
  2. Step 2: Convert to fraction form
    107,799.83/161,687.40 = 28,907.93/x
  3. Step 3: Cross multiply
    107,799.83x = 161,687.40 × 28,907.93
  4. Step 4: Simplify right side
    107,799.83x = 4,674,047,232.65
  5. Step 5: Solve for x
    x = 4,674,047,232.65/107,799.83
  6. Step 6: Final answer
    x = 43,358.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.