Home / 66,355.41-91,569.09-36,141.27

Finding the Fourth Proportional to 66,355.41, 91,569.09 and 36,141.27

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Solution

The fourth proportional to 66,355.41, 91,569.09 and 36,141.27 is: 49,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.41 : 91,569.09 = 36,141.27 : x
  2. Step 2: Convert to fraction form
    66,355.41/91,569.09 = 36,141.27/x
  3. Step 3: Cross multiply
    66,355.41x = 91,569.09 × 36,141.27
  4. Step 4: Simplify right side
    66,355.41x = 3,309,423,205.34
  5. Step 5: Solve for x
    x = 3,309,423,205.34/66,355.41
  6. Step 6: Final answer
    x = 49,874.20

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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.