Home / 91,025.64-136,481.40-27,824.76

Finding the Fourth Proportional to 91,025.64, 136,481.40 and 27,824.76

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Solution

The fourth proportional to 91,025.64, 136,481.40 and 27,824.76 is: 41,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025.64 : 136,481.40 = 27,824.76 : x
  2. Step 2: Convert to fraction form
    91,025.64/136,481.40 = 27,824.76/x
  3. Step 3: Cross multiply
    91,025.64x = 136,481.40 × 27,824.76
  4. Step 4: Simplify right side
    91,025.64x = 3,797,562,199.46
  5. Step 5: Solve for x
    x = 3,797,562,199.46/91,025.64
  6. Step 6: Final answer
    x = 41,719.70

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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.