Home / 123,282.62-170,134.36-69,564.50

Finding the Fourth Proportional to 123,282.62, 170,134.36 and 69,564.50

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Solution

The fourth proportional to 123,282.62, 170,134.36 and 69,564.50 is: 96,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,282.62 : 170,134.36 = 69,564.50 : x
  2. Step 2: Convert to fraction form
    123,282.62/170,134.36 = 69,564.50/x
  3. Step 3: Cross multiply
    123,282.62x = 170,134.36 × 69,564.50
  4. Step 4: Simplify right side
    123,282.62x = 11,835,311,686.22
  5. Step 5: Solve for x
    x = 11,835,311,686.22/123,282.62
  6. Step 6: Final answer
    x = 96,001.46

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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.