Home / 61,623.24-85,010.42-40,393.16

Finding the Fourth Proportional to 61,623.24, 85,010.42 and 40,393.16

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Solution

The fourth proportional to 61,623.24, 85,010.42 and 40,393.16 is: 55,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,623.24 : 85,010.42 = 40,393.16 : x
  2. Step 2: Convert to fraction form
    61,623.24/85,010.42 = 40,393.16/x
  3. Step 3: Cross multiply
    61,623.24x = 85,010.42 × 40,393.16
  4. Step 4: Simplify right side
    61,623.24x = 3,433,839,496.73
  5. Step 5: Solve for x
    x = 3,433,839,496.73/61,623.24
  6. Step 6: Final answer
    x = 55,723.12

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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.