Home / 107,866.14-161,799.08-28,980.37

Finding the Fourth Proportional to 107,866.14, 161,799.08 and 28,980.37

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Solution

The fourth proportional to 107,866.14, 161,799.08 and 28,980.37 is: 43,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,866.14 : 161,799.08 = 28,980.37 : x
  2. Step 2: Convert to fraction form
    107,866.14/161,799.08 = 28,980.37/x
  3. Step 3: Cross multiply
    107,866.14x = 161,799.08 × 28,980.37
  4. Step 4: Simplify right side
    107,866.14x = 4,688,997,237.64
  5. Step 5: Solve for x
    x = 4,688,997,237.64/107,866.14
  6. Step 6: Final answer
    x = 43,470.52

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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.