Home / 83,100.74-114,665.66-47,291.34

Finding the Fourth Proportional to 83,100.74, 114,665.66 and 47,291.34

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Solution

The fourth proportional to 83,100.74, 114,665.66 and 47,291.34 is: 65,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.74 : 114,665.66 = 47,291.34 : x
  2. Step 2: Convert to fraction form
    83,100.74/114,665.66 = 47,291.34/x
  3. Step 3: Cross multiply
    83,100.74x = 114,665.66 × 47,291.34
  4. Step 4: Simplify right side
    83,100.74x = 5,422,693,084.27
  5. Step 5: Solve for x
    x = 5,422,693,084.27/83,100.74
  6. Step 6: Final answer
    x = 65,254.45

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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.