Home / 89,416.16-134,101.92-27,085.76

Finding the Fourth Proportional to 89,416.16, 134,101.92 and 27,085.76

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Solution

The fourth proportional to 89,416.16, 134,101.92 and 27,085.76 is: 40,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,416.16 : 134,101.92 = 27,085.76 : x
  2. Step 2: Convert to fraction form
    89,416.16/134,101.92 = 27,085.76/x
  3. Step 3: Cross multiply
    89,416.16x = 134,101.92 × 27,085.76
  4. Step 4: Simplify right side
    89,416.16x = 3,632,252,420.66
  5. Step 5: Solve for x
    x = 3,632,252,420.66/89,416.16
  6. Step 6: Final answer
    x = 40,621.88

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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.