Home / 66,514.01-91,787.58-36,299.68

Finding the Fourth Proportional to 66,514.01, 91,787.58 and 36,299.68

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Solution

The fourth proportional to 66,514.01, 91,787.58 and 36,299.68 is: 50,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.01 : 91,787.58 = 36,299.68 : x
  2. Step 2: Convert to fraction form
    66,514.01/91,787.58 = 36,299.68/x
  3. Step 3: Cross multiply
    66,514.01x = 91,787.58 × 36,299.68
  4. Step 4: Simplify right side
    66,514.01x = 3,331,859,552.51
  5. Step 5: Solve for x
    x = 3,331,859,552.51/66,514.01
  6. Step 6: Final answer
    x = 50,092.60

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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.