Home / 66,276.41-91,458.70-36,061.85

Finding the Fourth Proportional to 66,276.41, 91,458.70 and 36,061.85

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Solution

The fourth proportional to 66,276.41, 91,458.70 and 36,061.85 is: 49,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.41 : 91,458.70 = 36,061.85 : x
  2. Step 2: Convert to fraction form
    66,276.41/91,458.70 = 36,061.85/x
  3. Step 3: Cross multiply
    66,276.41x = 91,458.70 × 36,061.85
  4. Step 4: Simplify right side
    66,276.41x = 3,298,169,920.60
  5. Step 5: Solve for x
    x = 3,298,169,920.60/66,276.41
  6. Step 6: Final answer
    x = 49,763.86

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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.