Home / 88,351.32-121,927.56-50,112.42

Finding the Fourth Proportional to 88,351.32, 121,927.56 and 50,112.42

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Solution

The fourth proportional to 88,351.32, 121,927.56 and 50,112.42 is: 69,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.32 : 121,927.56 = 50,112.42 : x
  2. Step 2: Convert to fraction form
    88,351.32/121,927.56 = 50,112.42/x
  3. Step 3: Cross multiply
    88,351.32x = 121,927.56 × 50,112.42
  4. Step 4: Simplify right side
    88,351.32x = 6,110,085,096.30
  5. Step 5: Solve for x
    x = 6,110,085,096.30/88,351.32
  6. Step 6: Final answer
    x = 69,156.69

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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.