Home / 62,112.78-85,717.17-33,820.02

Finding the Fourth Proportional to 62,112.78, 85,717.17 and 33,820.02

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Solution

The fourth proportional to 62,112.78, 85,717.17 and 33,820.02 is: 46,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.78 : 85,717.17 = 33,820.02 : x
  2. Step 2: Convert to fraction form
    62,112.78/85,717.17 = 33,820.02/x
  3. Step 3: Cross multiply
    62,112.78x = 85,717.17 × 33,820.02
  4. Step 4: Simplify right side
    62,112.78x = 2,898,956,403.74
  5. Step 5: Solve for x
    x = 2,898,956,403.74/62,112.78
  6. Step 6: Final answer
    x = 46,672.46

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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.