Home / 90,746.56-136,092.51-43,337.20

Finding the Fourth Proportional to 90,746.56, 136,092.51 and 43,337.20

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Solution

The fourth proportional to 90,746.56, 136,092.51 and 43,337.20 is: 64,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.56 : 136,092.51 = 43,337.20 : x
  2. Step 2: Convert to fraction form
    90,746.56/136,092.51 = 43,337.20/x
  3. Step 3: Cross multiply
    90,746.56x = 136,092.51 × 43,337.20
  4. Step 4: Simplify right side
    90,746.56x = 5,897,868,324.37
  5. Step 5: Solve for x
    x = 5,897,868,324.37/90,746.56
  6. Step 6: Final answer
    x = 64,992.75

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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.