Home / 90,747.03-136,117.44-34,585.10

Finding the Fourth Proportional to 90,747.03, 136,117.44 and 34,585.10

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Solution

The fourth proportional to 90,747.03, 136,117.44 and 34,585.10 is: 51,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.03 : 136,117.44 = 34,585.10 : x
  2. Step 2: Convert to fraction form
    90,747.03/136,117.44 = 34,585.10/x
  3. Step 3: Cross multiply
    90,747.03x = 136,117.44 × 34,585.10
  4. Step 4: Simplify right side
    90,747.03x = 4,707,634,593.56
  5. Step 5: Solve for x
    x = 4,707,634,593.56/90,747.03
  6. Step 6: Final answer
    x = 51,876.46

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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.