Home / 58,781.53-81,118.49-31,924.05

Finding the Fourth Proportional to 58,781.53, 81,118.49 and 31,924.05

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Solution

The fourth proportional to 58,781.53, 81,118.49 and 31,924.05 is: 44,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.53 : 81,118.49 = 31,924.05 : x
  2. Step 2: Convert to fraction form
    58,781.53/81,118.49 = 31,924.05/x
  3. Step 3: Cross multiply
    58,781.53x = 81,118.49 × 31,924.05
  4. Step 4: Simplify right side
    58,781.53x = 2,589,630,730.68
  5. Step 5: Solve for x
    x = 2,589,630,730.68/58,781.53
  6. Step 6: Final answer
    x = 44,055.18

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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.