Home / 84,952.56-127,269-49,787.76

Finding the Fourth Proportional to 84,952.56, 127,269 and 49,787.76

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Solution

The fourth proportional to 84,952.56, 127,269 and 49,787.76 is: 74,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,952.56 : 127,269 = 49,787.76 : x
  2. Step 2: Convert to fraction form
    84,952.56/127,269 = 49,787.76/x
  3. Step 3: Cross multiply
    84,952.56x = 127,269 × 49,787.76
  4. Step 4: Simplify right side
    84,952.56x = 6,336,438,427.44
  5. Step 5: Solve for x
    x = 6,336,438,427.44/84,952.56
  6. Step 6: Final answer
    x = 74,587.96

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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.