Home / 107,616.87-161,421.26-60,870.15

Finding the Fourth Proportional to 107,616.87, 161,421.26 and 60,870.15

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Solution

The fourth proportional to 107,616.87, 161,421.26 and 60,870.15 is: 91,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,616.87 : 161,421.26 = 60,870.15 : x
  2. Step 2: Convert to fraction form
    107,616.87/161,421.26 = 60,870.15/x
  3. Step 3: Cross multiply
    107,616.87x = 161,421.26 × 60,870.15
  4. Step 4: Simplify right side
    107,616.87x = 9,825,736,005.04
  5. Step 5: Solve for x
    x = 9,825,736,005.04/107,616.87
  6. Step 6: Final answer
    x = 91,302.93

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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.