Home / 124,646.22-172,011.69-68,057.59

Finding the Fourth Proportional to 124,646.22, 172,011.69 and 68,057.59

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Solution

The fourth proportional to 124,646.22, 172,011.69 and 68,057.59 is: 93,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,646.22 : 172,011.69 = 68,057.59 : x
  2. Step 2: Convert to fraction form
    124,646.22/172,011.69 = 68,057.59/x
  3. Step 3: Cross multiply
    124,646.22x = 172,011.69 × 68,057.59
  4. Step 4: Simplify right side
    124,646.22x = 11,706,701,073.23
  5. Step 5: Solve for x
    x = 11,706,701,073.23/124,646.22
  6. Step 6: Final answer
    x = 93,919.42

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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.