Home / 107,319.20-161,051.70-59,934.20

Finding the Fourth Proportional to 107,319.20, 161,051.70 and 59,934.20

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Solution

The fourth proportional to 107,319.20, 161,051.70 and 59,934.20 is: 89,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.20 : 161,051.70 = 59,934.20 : x
  2. Step 2: Convert to fraction form
    107,319.20/161,051.70 = 59,934.20/x
  3. Step 3: Cross multiply
    107,319.20x = 161,051.70 × 59,934.20
  4. Step 4: Simplify right side
    107,319.20x = 9,652,504,798.14
  5. Step 5: Solve for x
    x = 9,652,504,798.14/107,319.20
  6. Step 6: Final answer
    x = 89,942.01

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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.