Home / 66,392.23-91,620.12-36,177.79

Finding the Fourth Proportional to 66,392.23, 91,620.12 and 36,177.79

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Solution

The fourth proportional to 66,392.23, 91,620.12 and 36,177.79 is: 49,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.23 : 91,620.12 = 36,177.79 : x
  2. Step 2: Convert to fraction form
    66,392.23/91,620.12 = 36,177.79/x
  3. Step 3: Cross multiply
    66,392.23x = 91,620.12 × 36,177.79
  4. Step 4: Simplify right side
    66,392.23x = 3,314,613,461.13
  5. Step 5: Solve for x
    x = 3,314,613,461.13/66,392.23
  6. Step 6: Final answer
    x = 49,924.72

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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.