Home / 99,570.08-149,384.24-29,451.20

Finding the Fourth Proportional to 99,570.08, 149,384.24 and 29,451.20

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Solution

The fourth proportional to 99,570.08, 149,384.24 and 29,451.20 is: 44,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,570.08 : 149,384.24 = 29,451.20 : x
  2. Step 2: Convert to fraction form
    99,570.08/149,384.24 = 29,451.20/x
  3. Step 3: Cross multiply
    99,570.08x = 149,384.24 × 29,451.20
  4. Step 4: Simplify right side
    99,570.08x = 4,399,545,129.09
  5. Step 5: Solve for x
    x = 4,399,545,129.09/99,570.08
  6. Step 6: Final answer
    x = 44,185.41

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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.