Home / 115,948.79-173,972.69-49,420.25

Finding the Fourth Proportional to 115,948.79, 173,972.69 and 49,420.25

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Solution

The fourth proportional to 115,948.79, 173,972.69 and 49,420.25 is: 74,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,948.79 : 173,972.69 = 49,420.25 : x
  2. Step 2: Convert to fraction form
    115,948.79/173,972.69 = 49,420.25/x
  3. Step 3: Cross multiply
    115,948.79x = 173,972.69 × 49,420.25
  4. Step 4: Simplify right side
    115,948.79x = 8,597,773,832.97
  5. Step 5: Solve for x
    x = 8,597,773,832.97/115,948.79
  6. Step 6: Final answer
    x = 74,151.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.