Home / 49,114.84-67,772.28-27,889.60

Finding the Fourth Proportional to 49,114.84, 67,772.28 and 27,889.60

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Solution

The fourth proportional to 49,114.84, 67,772.28 and 27,889.60 is: 38,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.84 : 67,772.28 = 27,889.60 : x
  2. Step 2: Convert to fraction form
    49,114.84/67,772.28 = 27,889.60/x
  3. Step 3: Cross multiply
    49,114.84x = 67,772.28 × 27,889.60
  4. Step 4: Simplify right side
    49,114.84x = 1,890,141,780.29
  5. Step 5: Solve for x
    x = 1,890,141,780.29/49,114.84
  6. Step 6: Final answer
    x = 38,484.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.