Home / 66,365.45-91,585.86-36,152.45

Finding the Fourth Proportional to 66,365.45, 91,585.86 and 36,152.45

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Solution

The fourth proportional to 66,365.45, 91,585.86 and 36,152.45 is: 49,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365.45 : 91,585.86 = 36,152.45 : x
  2. Step 2: Convert to fraction form
    66,365.45/91,585.86 = 36,152.45/x
  3. Step 3: Cross multiply
    66,365.45x = 91,585.86 × 36,152.45
  4. Step 4: Simplify right side
    66,365.45x = 3,311,053,224.36
  5. Step 5: Solve for x
    x = 3,311,053,224.36/66,365.45
  6. Step 6: Final answer
    x = 49,891.22

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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.