Home / 124,642.24-172,005.28-68,053.60

Finding the Fourth Proportional to 124,642.24, 172,005.28 and 68,053.60

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Solution

The fourth proportional to 124,642.24, 172,005.28 and 68,053.60 is: 93,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,642.24 : 172,005.28 = 68,053.60 : x
  2. Step 2: Convert to fraction form
    124,642.24/172,005.28 = 68,053.60/x
  3. Step 3: Cross multiply
    124,642.24x = 172,005.28 × 68,053.60
  4. Step 4: Simplify right side
    124,642.24x = 11,705,578,523.01
  5. Step 5: Solve for x
    x = 11,705,578,523.01/124,642.24
  6. Step 6: Final answer
    x = 93,913.42

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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.