Home / 99,990.16-150,058.93-47,399.44

Finding the Fourth Proportional to 99,990.16, 150,058.93 and 47,399.44

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Solution

The fourth proportional to 99,990.16, 150,058.93 and 47,399.44 is: 71,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,990.16 : 150,058.93 = 47,399.44 : x
  2. Step 2: Convert to fraction form
    99,990.16/150,058.93 = 47,399.44/x
  3. Step 3: Cross multiply
    99,990.16x = 150,058.93 × 47,399.44
  4. Step 4: Simplify right side
    99,990.16x = 7,112,709,249.00
  5. Step 5: Solve for x
    x = 7,112,709,249.00/99,990.16
  6. Step 6: Final answer
    x = 71,134.09

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1.5x scale

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.