Home / 99,641.56-149,506.36-52,245.32

Finding the Fourth Proportional to 99,641.56, 149,506.36 and 52,245.32

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Solution

The fourth proportional to 99,641.56, 149,506.36 and 52,245.32 is: 78,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,641.56 : 149,506.36 = 52,245.32 : x
  2. Step 2: Convert to fraction form
    99,641.56/149,506.36 = 52,245.32/x
  3. Step 3: Cross multiply
    99,641.56x = 149,506.36 × 52,245.32
  4. Step 4: Simplify right side
    99,641.56x = 7,811,007,620.24
  5. Step 5: Solve for x
    x = 7,811,007,620.24/99,641.56
  6. Step 6: Final answer
    x = 78,391.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.