Home / 58,731.90-81,050.04-31,874.82

Finding the Fourth Proportional to 58,731.90, 81,050.04 and 31,874.82

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Solution

The fourth proportional to 58,731.90, 81,050.04 and 31,874.82 is: 43,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.90 : 81,050.04 = 31,874.82 : x
  2. Step 2: Convert to fraction form
    58,731.90/81,050.04 = 31,874.82/x
  3. Step 3: Cross multiply
    58,731.90x = 81,050.04 × 31,874.82
  4. Step 4: Simplify right side
    58,731.90x = 2,583,455,435.99
  5. Step 5: Solve for x
    x = 2,583,455,435.99/58,731.90
  6. Step 6: Final answer
    x = 43,987.26

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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.