Home / 82,781.22-114,240.61-58,625.47

Finding the Fourth Proportional to 82,781.22, 114,240.61 and 58,625.47

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Solution

The fourth proportional to 82,781.22, 114,240.61 and 58,625.47 is: 80,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781.22 : 114,240.61 = 58,625.47 : x
  2. Step 2: Convert to fraction form
    82,781.22/114,240.61 = 58,625.47/x
  3. Step 3: Cross multiply
    82,781.22x = 114,240.61 × 58,625.47
  4. Step 4: Simplify right side
    82,781.22x = 6,697,409,670.42
  5. Step 5: Solve for x
    x = 6,697,409,670.42/82,781.22
  6. Step 6: Final answer
    x = 80,904.94

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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.