Home / 123,008.80-169,762.44-69,304.36

Finding the Fourth Proportional to 123,008.80, 169,762.44 and 69,304.36

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Solution

The fourth proportional to 123,008.80, 169,762.44 and 69,304.36 is: 95,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008.80 : 169,762.44 = 69,304.36 : x
  2. Step 2: Convert to fraction form
    123,008.80/169,762.44 = 69,304.36/x
  3. Step 3: Cross multiply
    123,008.80x = 169,762.44 × 69,304.36
  4. Step 4: Simplify right side
    123,008.80x = 11,765,277,256.24
  5. Step 5: Solve for x
    x = 11,765,277,256.24/123,008.80
  6. Step 6: Final answer
    x = 95,645.82

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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.