Home / 99,687.09-149,555.24-29,566.41

Finding the Fourth Proportional to 99,687.09, 149,555.24 and 29,566.41

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Solution

The fourth proportional to 99,687.09, 149,555.24 and 29,566.41 is: 44,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,687.09 : 149,555.24 = 29,566.41 : x
  2. Step 2: Convert to fraction form
    99,687.09/149,555.24 = 29,566.41/x
  3. Step 3: Cross multiply
    99,687.09x = 149,555.24 × 29,566.41
  4. Step 4: Simplify right side
    99,687.09x = 4,421,811,543.49
  5. Step 5: Solve for x
    x = 4,421,811,543.49/99,687.09
  6. Step 6: Final answer
    x = 44,356.91

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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.