Home / 66,365.20-91,585.52-36,152.20

Finding the Fourth Proportional to 66,365.20, 91,585.52 and 36,152.20

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Solution

The fourth proportional to 66,365.20, 91,585.52 and 36,152.20 is: 49,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365.20 : 91,585.52 = 36,152.20 : x
  2. Step 2: Convert to fraction form
    66,365.20/91,585.52 = 36,152.20/x
  3. Step 3: Cross multiply
    66,365.20x = 91,585.52 × 36,152.20
  4. Step 4: Simplify right side
    66,365.20x = 3,311,018,036.14
  5. Step 5: Solve for x
    x = 3,311,018,036.14/66,365.20
  6. Step 6: Final answer
    x = 49,890.88

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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.