Home / 99,249.72-148,790.88-43,047.50

Finding the Fourth Proportional to 99,249.72, 148,790.88 and 43,047.50

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Solution

The fourth proportional to 99,249.72, 148,790.88 and 43,047.50 is: 64,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,249.72 : 148,790.88 = 43,047.50 : x
  2. Step 2: Convert to fraction form
    99,249.72/148,790.88 = 43,047.50/x
  3. Step 3: Cross multiply
    99,249.72x = 148,790.88 × 43,047.50
  4. Step 4: Simplify right side
    99,249.72x = 6,405,075,406.80
  5. Step 5: Solve for x
    x = 6,405,075,406.80/99,249.72
  6. Step 6: Final answer
    x = 64,534.95

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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.