Home / 66,192.64-91,345.39-37,903.79

Finding the Fourth Proportional to 66,192.64, 91,345.39 and 37,903.79

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Solution

The fourth proportional to 66,192.64, 91,345.39 and 37,903.79 is: 52,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.64 : 91,345.39 = 37,903.79 : x
  2. Step 2: Convert to fraction form
    66,192.64/91,345.39 = 37,903.79/x
  3. Step 3: Cross multiply
    66,192.64x = 91,345.39 × 37,903.79
  4. Step 4: Simplify right side
    66,192.64x = 3,462,336,613.63
  5. Step 5: Solve for x
    x = 3,462,336,613.63/66,192.64
  6. Step 6: Final answer
    x = 52,306.97

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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.