Home / 124,837.57-172,275.81-68,248.94

Finding the Fourth Proportional to 124,837.57, 172,275.81 and 68,248.94

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Solution

The fourth proportional to 124,837.57, 172,275.81 and 68,248.94 is: 94,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.57 : 172,275.81 = 68,248.94 : x
  2. Step 2: Convert to fraction form
    124,837.57/172,275.81 = 68,248.94/x
  3. Step 3: Cross multiply
    124,837.57x = 172,275.81 × 68,248.94
  4. Step 4: Simplify right side
    124,837.57x = 11,757,641,420.14
  5. Step 5: Solve for x
    x = 11,757,641,420.14/124,837.57
  6. Step 6: Final answer
    x = 94,183.52

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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.