Home / 55,033.02-75,943.98-31,161.92

Finding the Fourth Proportional to 55,033.02, 75,943.98 and 31,161.92

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Solution

The fourth proportional to 55,033.02, 75,943.98 and 31,161.92 is: 43,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,033.02 : 75,943.98 = 31,161.92 : x
  2. Step 2: Convert to fraction form
    55,033.02/75,943.98 = 31,161.92/x
  3. Step 3: Cross multiply
    55,033.02x = 75,943.98 × 31,161.92
  4. Step 4: Simplify right side
    55,033.02x = 2,366,559,849.52
  5. Step 5: Solve for x
    x = 2,366,559,849.52/55,033.02
  6. Step 6: Final answer
    x = 43,002.54

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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.