Home / 100,039.04-149,846.88-64,874.24

Finding the Fourth Proportional to 100,039.04, 149,846.88 and 64,874.24

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Solution

The fourth proportional to 100,039.04, 149,846.88 and 64,874.24 is: 97,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,039.04 : 149,846.88 = 64,874.24 : x
  2. Step 2: Convert to fraction form
    100,039.04/149,846.88 = 64,874.24/x
  3. Step 3: Cross multiply
    100,039.04x = 149,846.88 × 64,874.24
  4. Step 4: Simplify right side
    100,039.04x = 9,721,202,456.37
  5. Step 5: Solve for x
    x = 9,721,202,456.37/100,039.04
  6. Step 6: Final answer
    x = 97,174.09

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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.