Home / 88,775.76-122,505.12-48,481.36

Finding the Fourth Proportional to 88,775.76, 122,505.12 and 48,481.36

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Solution

The fourth proportional to 88,775.76, 122,505.12 and 48,481.36 is: 66,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,775.76 : 122,505.12 = 48,481.36 : x
  2. Step 2: Convert to fraction form
    88,775.76/122,505.12 = 48,481.36/x
  3. Step 3: Cross multiply
    88,775.76x = 122,505.12 × 48,481.36
  4. Step 4: Simplify right side
    88,775.76x = 5,939,214,824.56
  5. Step 5: Solve for x
    x = 5,939,214,824.56/88,775.76
  6. Step 6: Final answer
    x = 66,901.31

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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.