Home / 58,731.86-81,050.58-31,874.60

Finding the Fourth Proportional to 58,731.86, 81,050.58 and 31,874.60

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Solution

The fourth proportional to 58,731.86, 81,050.58 and 31,874.60 is: 43,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.86 : 81,050.58 = 31,874.60 : x
  2. Step 2: Convert to fraction form
    58,731.86/81,050.58 = 31,874.60/x
  3. Step 3: Cross multiply
    58,731.86x = 81,050.58 × 31,874.60
  4. Step 4: Simplify right side
    58,731.86x = 2,583,454,817.27
  5. Step 5: Solve for x
    x = 2,583,454,817.27/58,731.86
  6. Step 6: Final answer
    x = 43,987.28

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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.