Home / 99,390.30-149,085.45-37,052.70

Finding the Fourth Proportional to 99,390.30, 149,085.45 and 37,052.70

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Solution

The fourth proportional to 99,390.30, 149,085.45 and 37,052.70 is: 55,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,390.30 : 149,085.45 = 37,052.70 : x
  2. Step 2: Convert to fraction form
    99,390.30/149,085.45 = 37,052.70/x
  3. Step 3: Cross multiply
    99,390.30x = 149,085.45 × 37,052.70
  4. Step 4: Simplify right side
    99,390.30x = 5,524,018,453.22
  5. Step 5: Solve for x
    x = 5,524,018,453.22/99,390.30
  6. Step 6: Final answer
    x = 55,579.05

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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.