Home / 89,225.22-123,134.34-48,940.45

Finding the Fourth Proportional to 89,225.22, 123,134.34 and 48,940.45

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Solution

The fourth proportional to 89,225.22, 123,134.34 and 48,940.45 is: 67,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,225.22 : 123,134.34 = 48,940.45 : x
  2. Step 2: Convert to fraction form
    89,225.22/123,134.34 = 48,940.45/x
  3. Step 3: Cross multiply
    89,225.22x = 123,134.34 × 48,940.45
  4. Step 4: Simplify right side
    89,225.22x = 6,026,250,010.05
  5. Step 5: Solve for x
    x = 6,026,250,010.05/89,225.22
  6. Step 6: Final answer
    x = 67,539.76

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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.