Home / 123,011.36-169,764.32-68,567.04

Finding the Fourth Proportional to 123,011.36, 169,764.32 and 68,567.04

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Solution

The fourth proportional to 123,011.36, 169,764.32 and 68,567.04 is: 94,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,011.36 : 169,764.32 = 68,567.04 : x
  2. Step 2: Convert to fraction form
    123,011.36/169,764.32 = 68,567.04/x
  3. Step 3: Cross multiply
    123,011.36x = 169,764.32 × 68,567.04
  4. Step 4: Simplify right side
    123,011.36x = 11,640,236,920.01
  5. Step 5: Solve for x
    x = 11,640,236,920.01/123,011.36
  6. Step 6: Final answer
    x = 94,627.33

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1.5x scale

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.