Home / 90,819.72-136,258.77-27,652.07

Finding the Fourth Proportional to 90,819.72, 136,258.77 and 27,652.07

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Solution

The fourth proportional to 90,819.72, 136,258.77 and 27,652.07 is: 41,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,819.72 : 136,258.77 = 27,652.07 : x
  2. Step 2: Convert to fraction form
    90,819.72/136,258.77 = 27,652.07/x
  3. Step 3: Cross multiply
    90,819.72x = 136,258.77 × 27,652.07
  4. Step 4: Simplify right side
    90,819.72x = 3,767,837,490.50
  5. Step 5: Solve for x
    x = 3,767,837,490.50/90,819.72
  6. Step 6: Final answer
    x = 41,487.00

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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.