Home / 55,046.90-75,966.51-31,173.06

Finding the Fourth Proportional to 55,046.90, 75,966.51 and 31,173.06

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Solution

The fourth proportional to 55,046.90, 75,966.51 and 31,173.06 is: 43,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,046.90 : 75,966.51 = 31,173.06 : x
  2. Step 2: Convert to fraction form
    55,046.90/75,966.51 = 31,173.06/x
  3. Step 3: Cross multiply
    55,046.90x = 75,966.51 × 31,173.06
  4. Step 4: Simplify right side
    55,046.90x = 2,368,108,038.52
  5. Step 5: Solve for x
    x = 2,368,108,038.52/55,046.90
  6. Step 6: Final answer
    x = 43,019.83

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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.