Home / 84,961.92-127,434.62-25,798.10

Finding the Fourth Proportional to 84,961.92, 127,434.62 and 25,798.10

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Solution

The fourth proportional to 84,961.92, 127,434.62 and 25,798.10 is: 38,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,961.92 : 127,434.62 = 25,798.10 : x
  2. Step 2: Convert to fraction form
    84,961.92/127,434.62 = 25,798.10/x
  3. Step 3: Cross multiply
    84,961.92x = 127,434.62 × 25,798.10
  4. Step 4: Simplify right side
    84,961.92x = 3,287,571,070.22
  5. Step 5: Solve for x
    x = 3,287,571,070.22/84,961.92
  6. Step 6: Final answer
    x = 38,694.64

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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.