Home / 94,719.78-130,713.02-52,278

Finding the Fourth Proportional to 94,719.78, 130,713.02 and 52,278

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Solution

The fourth proportional to 94,719.78, 130,713.02 and 52,278 is: 72,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,719.78 : 130,713.02 = 52,278 : x
  2. Step 2: Convert to fraction form
    94,719.78/130,713.02 = 52,278/x
  3. Step 3: Cross multiply
    94,719.78x = 130,713.02 × 52,278
  4. Step 4: Simplify right side
    94,719.78x = 6,833,414,998.17
  5. Step 5: Solve for x
    x = 6,833,414,998.17/94,719.78
  6. Step 6: Final answer
    x = 72,143.48

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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.