Home / 84,787.23-117,006.81-52,974.57

Finding the Fourth Proportional to 84,787.23, 117,006.81 and 52,974.57

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Solution

The fourth proportional to 84,787.23, 117,006.81 and 52,974.57 is: 73,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.23 : 117,006.81 = 52,974.57 : x
  2. Step 2: Convert to fraction form
    84,787.23/117,006.81 = 52,974.57/x
  3. Step 3: Cross multiply
    84,787.23x = 117,006.81 × 52,974.57
  4. Step 4: Simplify right side
    84,787.23x = 6,198,385,446.82
  5. Step 5: Solve for x
    x = 6,198,385,446.82/84,787.23
  6. Step 6: Final answer
    x = 73,105.18

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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.