Home / 98,678.11-148,026.51-27,600.76

Finding the Fourth Proportional to 98,678.11, 148,026.51 and 27,600.76

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Solution

The fourth proportional to 98,678.11, 148,026.51 and 27,600.76 is: 41,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,678.11 : 148,026.51 = 27,600.76 : x
  2. Step 2: Convert to fraction form
    98,678.11/148,026.51 = 27,600.76/x
  3. Step 3: Cross multiply
    98,678.11x = 148,026.51 × 27,600.76
  4. Step 4: Simplify right side
    98,678.11x = 4,085,644,176.15
  5. Step 5: Solve for x
    x = 4,085,644,176.15/98,678.11
  6. Step 6: Final answer
    x = 41,403.75

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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.