Home / 89,104.29-122,963.84-48,820.56

Finding the Fourth Proportional to 89,104.29, 122,963.84 and 48,820.56

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Solution

The fourth proportional to 89,104.29, 122,963.84 and 48,820.56 is: 67,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,104.29 : 122,963.84 = 48,820.56 : x
  2. Step 2: Convert to fraction form
    89,104.29/122,963.84 = 48,820.56/x
  3. Step 3: Cross multiply
    89,104.29x = 122,963.84 × 48,820.56
  4. Step 4: Simplify right side
    89,104.29x = 6,003,163,284.45
  5. Step 5: Solve for x
    x = 6,003,163,284.45/89,104.29
  6. Step 6: Final answer
    x = 67,372.33

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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.