Home / 86,719.54-130,076.34-36,767.47

Finding the Fourth Proportional to 86,719.54, 130,076.34 and 36,767.47

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Solution

The fourth proportional to 86,719.54, 130,076.34 and 36,767.47 is: 55,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.54 : 130,076.34 = 36,767.47 : x
  2. Step 2: Convert to fraction form
    86,719.54/130,076.34 = 36,767.47/x
  3. Step 3: Cross multiply
    86,719.54x = 130,076.34 × 36,767.47
  4. Step 4: Simplify right side
    86,719.54x = 4,782,577,928.66
  5. Step 5: Solve for x
    x = 4,782,577,928.66/86,719.54
  6. Step 6: Final answer
    x = 55,149.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.