Home / 89,074.44-122,921.34-48,787.92

Finding the Fourth Proportional to 89,074.44, 122,921.34 and 48,787.92

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Solution

The fourth proportional to 89,074.44, 122,921.34 and 48,787.92 is: 67,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.44 : 122,921.34 = 48,787.92 : x
  2. Step 2: Convert to fraction form
    89,074.44/122,921.34 = 48,787.92/x
  3. Step 3: Cross multiply
    89,074.44x = 122,921.34 × 48,787.92
  4. Step 4: Simplify right side
    89,074.44x = 5,997,076,502.21
  5. Step 5: Solve for x
    x = 5,997,076,502.21/89,074.44
  6. Step 6: Final answer
    x = 67,326.57

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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.