Home / 124,357.36-171,608.16-67,767.52

Finding the Fourth Proportional to 124,357.36, 171,608.16 and 67,767.52

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Solution

The fourth proportional to 124,357.36, 171,608.16 and 67,767.52 is: 93,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,357.36 : 171,608.16 = 67,767.52 : x
  2. Step 2: Convert to fraction form
    124,357.36/171,608.16 = 67,767.52/x
  3. Step 3: Cross multiply
    124,357.36x = 171,608.16 × 67,767.52
  4. Step 4: Simplify right side
    124,357.36x = 11,629,459,414.96
  5. Step 5: Solve for x
    x = 11,629,459,414.96/124,357.36
  6. Step 6: Final answer
    x = 93,516.45

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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.