Home / 66,557.17-91,850.43-36,342.70

Finding the Fourth Proportional to 66,557.17, 91,850.43 and 36,342.70

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Solution

The fourth proportional to 66,557.17, 91,850.43 and 36,342.70 is: 50,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,557.17 : 91,850.43 = 36,342.70 : x
  2. Step 2: Convert to fraction form
    66,557.17/91,850.43 = 36,342.70/x
  3. Step 3: Cross multiply
    66,557.17x = 91,850.43 × 36,342.70
  4. Step 4: Simplify right side
    66,557.17x = 3,338,092,685.14
  5. Step 5: Solve for x
    x = 3,338,092,685.14/66,557.17
  6. Step 6: Final answer
    x = 50,153.77

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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.