Home / 83,388.45-115,076.14-45,148.03

Finding the Fourth Proportional to 83,388.45, 115,076.14 and 45,148.03

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Solution

The fourth proportional to 83,388.45, 115,076.14 and 45,148.03 is: 62,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,388.45 : 115,076.14 = 45,148.03 : x
  2. Step 2: Convert to fraction form
    83,388.45/115,076.14 = 45,148.03/x
  3. Step 3: Cross multiply
    83,388.45x = 115,076.14 × 45,148.03
  4. Step 4: Simplify right side
    83,388.45x = 5,195,460,620.44
  5. Step 5: Solve for x
    x = 5,195,460,620.44/83,388.45
  6. Step 6: Final answer
    x = 62,304.32

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1.5x scale

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.