Home / 77,502.14-106,959.13-43,512.86

Finding the Fourth Proportional to 77,502.14, 106,959.13 and 43,512.86

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Solution

The fourth proportional to 77,502.14, 106,959.13 and 43,512.86 is: 60,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,502.14 : 106,959.13 = 43,512.86 : x
  2. Step 2: Convert to fraction form
    77,502.14/106,959.13 = 43,512.86/x
  3. Step 3: Cross multiply
    77,502.14x = 106,959.13 × 43,512.86
  4. Step 4: Simplify right side
    77,502.14x = 4,654,097,649.41
  5. Step 5: Solve for x
    x = 4,654,097,649.41/77,502.14
  6. Step 6: Final answer
    x = 60,051.21

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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.