Home / 67,734.49-101,564.70-53,784.13

Finding the Fourth Proportional to 67,734.49, 101,564.70 and 53,784.13

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Solution

The fourth proportional to 67,734.49, 101,564.70 and 53,784.13 is: 80,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.49 : 101,564.70 = 53,784.13 : x
  2. Step 2: Convert to fraction form
    67,734.49/101,564.70 = 53,784.13/x
  3. Step 3: Cross multiply
    67,734.49x = 101,564.70 × 53,784.13
  4. Step 4: Simplify right side
    67,734.49x = 5,462,569,028.21
  5. Step 5: Solve for x
    x = 5,462,569,028.21/67,734.49
  6. Step 6: Final answer
    x = 80,646.79

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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.