Home / 67,984.77-101,890.62-38,419.14

Finding the Fourth Proportional to 67,984.77, 101,890.62 and 38,419.14

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Solution

The fourth proportional to 67,984.77, 101,890.62 and 38,419.14 is: 57,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984.77 : 101,890.62 = 38,419.14 : x
  2. Step 2: Convert to fraction form
    67,984.77/101,890.62 = 38,419.14/x
  3. Step 3: Cross multiply
    67,984.77x = 101,890.62 × 38,419.14
  4. Step 4: Simplify right side
    67,984.77x = 3,914,549,994.47
  5. Step 5: Solve for x
    x = 3,914,549,994.47/67,984.77
  6. Step 6: Final answer
    x = 57,579.81

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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.