Home / 123,292.80-170,153.07-69,582.51

Finding the Fourth Proportional to 123,292.80, 170,153.07 and 69,582.51

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Solution

The fourth proportional to 123,292.80, 170,153.07 and 69,582.51 is: 96,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,292.80 : 170,153.07 = 69,582.51 : x
  2. Step 2: Convert to fraction form
    123,292.80/170,153.07 = 69,582.51/x
  3. Step 3: Cross multiply
    123,292.80x = 170,153.07 × 69,582.51
  4. Step 4: Simplify right side
    123,292.80x = 11,839,677,694.81
  5. Step 5: Solve for x
    x = 11,839,677,694.81/123,292.80
  6. Step 6: Final answer
    x = 96,028.95

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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.