Home / 124,220.60-171,419.28-67,631.84

Finding the Fourth Proportional to 124,220.60, 171,419.28 and 67,631.84

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Solution

The fourth proportional to 124,220.60, 171,419.28 and 67,631.84 is: 93,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,220.60 : 171,419.28 = 67,631.84 : x
  2. Step 2: Convert to fraction form
    124,220.60/171,419.28 = 67,631.84/x
  3. Step 3: Cross multiply
    124,220.60x = 171,419.28 × 67,631.84
  4. Step 4: Simplify right side
    124,220.60x = 11,593,401,317.88
  5. Step 5: Solve for x
    x = 11,593,401,317.88/124,220.60
  6. Step 6: Final answer
    x = 93,329.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.