Home / 84,881.58-127,355.16-25,717.74

Finding the Fourth Proportional to 84,881.58, 127,355.16 and 25,717.74

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Solution

The fourth proportional to 84,881.58, 127,355.16 and 25,717.74 is: 38,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,881.58 : 127,355.16 = 25,717.74 : x
  2. Step 2: Convert to fraction form
    84,881.58/127,355.16 = 25,717.74/x
  3. Step 3: Cross multiply
    84,881.58x = 127,355.16 × 25,717.74
  4. Step 4: Simplify right side
    84,881.58x = 3,275,286,892.54
  5. Step 5: Solve for x
    x = 3,275,286,892.54/84,881.58
  6. Step 6: Final answer
    x = 38,586.54

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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.