Home / 89,063.52-122,921.12-50,822.88

Finding the Fourth Proportional to 89,063.52, 122,921.12 and 50,822.88

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Solution

The fourth proportional to 89,063.52, 122,921.12 and 50,822.88 is: 70,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.52 : 122,921.12 = 50,822.88 : x
  2. Step 2: Convert to fraction form
    89,063.52/122,921.12 = 50,822.88/x
  3. Step 3: Cross multiply
    89,063.52x = 122,921.12 × 50,822.88
  4. Step 4: Simplify right side
    89,063.52x = 6,247,205,331.23
  5. Step 5: Solve for x
    x = 6,247,205,331.23/89,063.52
  6. Step 6: Final answer
    x = 70,143.26

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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.