Home / 123,880.17-170,966.60-69,441.56

Finding the Fourth Proportional to 123,880.17, 170,966.60 and 69,441.56

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Solution

The fourth proportional to 123,880.17, 170,966.60 and 69,441.56 is: 95,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880.17 : 170,966.60 = 69,441.56 : x
  2. Step 2: Convert to fraction form
    123,880.17/170,966.60 = 69,441.56/x
  3. Step 3: Cross multiply
    123,880.17x = 170,966.60 × 69,441.56
  4. Step 4: Simplify right side
    123,880.17x = 11,872,187,501.99
  5. Step 5: Solve for x
    x = 11,872,187,501.99/123,880.17
  6. Step 6: Final answer
    x = 95,836.06

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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.