Home / 90,705.28-136,058.19-27,525.91

Finding the Fourth Proportional to 90,705.28, 136,058.19 and 27,525.91

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Solution

The fourth proportional to 90,705.28, 136,058.19 and 27,525.91 is: 41,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,705.28 : 136,058.19 = 27,525.91 : x
  2. Step 2: Convert to fraction form
    90,705.28/136,058.19 = 27,525.91/x
  3. Step 3: Cross multiply
    90,705.28x = 136,058.19 × 27,525.91
  4. Step 4: Simplify right side
    90,705.28x = 3,745,125,492.70
  5. Step 5: Solve for x
    x = 3,745,125,492.70/90,705.28
  6. Step 6: Final answer
    x = 41,288.95

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1.5x scale

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.