Home / 89,707.50-123,796.44-52,003.62

Finding the Fourth Proportional to 89,707.50, 123,796.44 and 52,003.62

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Solution

The fourth proportional to 89,707.50, 123,796.44 and 52,003.62 is: 71,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.50 : 123,796.44 = 52,003.62 : x
  2. Step 2: Convert to fraction form
    89,707.50/123,796.44 = 52,003.62/x
  3. Step 3: Cross multiply
    89,707.50x = 123,796.44 × 52,003.62
  4. Step 4: Simplify right side
    89,707.50x = 6,437,863,023.11
  5. Step 5: Solve for x
    x = 6,437,863,023.11/89,707.50
  6. Step 6: Final answer
    x = 71,765.05

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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.