Home / 84,827.54-127,255.28-28,671.05

Finding the Fourth Proportional to 84,827.54, 127,255.28 and 28,671.05

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Solution

The fourth proportional to 84,827.54, 127,255.28 and 28,671.05 is: 43,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.54 : 127,255.28 = 28,671.05 : x
  2. Step 2: Convert to fraction form
    84,827.54/127,255.28 = 28,671.05/x
  3. Step 3: Cross multiply
    84,827.54x = 127,255.28 × 28,671.05
  4. Step 4: Simplify right side
    84,827.54x = 3,648,541,716.01
  5. Step 5: Solve for x
    x = 3,648,541,716.01/84,827.54
  6. Step 6: Final answer
    x = 43,011.29

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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.