Home / 66,276.48-91,458.79-36,061.92

Finding the Fourth Proportional to 66,276.48, 91,458.79 and 36,061.92

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Solution

The fourth proportional to 66,276.48, 91,458.79 and 36,061.92 is: 49,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.48 : 91,458.79 = 36,061.92 : x
  2. Step 2: Convert to fraction form
    66,276.48/91,458.79 = 36,061.92/x
  3. Step 3: Cross multiply
    66,276.48x = 91,458.79 × 36,061.92
  4. Step 4: Simplify right side
    66,276.48x = 3,298,179,568.28
  5. Step 5: Solve for x
    x = 3,298,179,568.28/66,276.48
  6. Step 6: Final answer
    x = 49,763.95

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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.