Home / 89,063.90-122,908.19-48,777.76

Finding the Fourth Proportional to 89,063.90, 122,908.19 and 48,777.76

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Solution

The fourth proportional to 89,063.90, 122,908.19 and 48,777.76 is: 67,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.90 : 122,908.19 = 48,777.76 : x
  2. Step 2: Convert to fraction form
    89,063.90/122,908.19 = 48,777.76/x
  3. Step 3: Cross multiply
    89,063.90x = 122,908.19 × 48,777.76
  4. Step 4: Simplify right side
    89,063.90x = 5,995,185,949.97
  5. Step 5: Solve for x
    x = 5,995,185,949.97/89,063.90
  6. Step 6: Final answer
    x = 67,313.31

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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.