Home / 55,192.24-82,534.02-40,987.54

Finding the Fourth Proportional to 55,192.24, 82,534.02 and 40,987.54

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Solution

The fourth proportional to 55,192.24, 82,534.02 and 40,987.54 is: 61,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.24 : 82,534.02 = 40,987.54 : x
  2. Step 2: Convert to fraction form
    55,192.24/82,534.02 = 40,987.54/x
  3. Step 3: Cross multiply
    55,192.24x = 82,534.02 × 40,987.54
  4. Step 4: Simplify right side
    55,192.24x = 3,382,866,446.11
  5. Step 5: Solve for x
    x = 3,382,866,446.11/55,192.24
  6. Step 6: Final answer
    x = 61,292.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.