Home / 99,723.08-149,479.63-33,145.34

Finding the Fourth Proportional to 99,723.08, 149,479.63 and 33,145.34

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Solution

The fourth proportional to 99,723.08, 149,479.63 and 33,145.34 is: 49,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,723.08 : 149,479.63 = 33,145.34 : x
  2. Step 2: Convert to fraction form
    99,723.08/149,479.63 = 33,145.34/x
  3. Step 3: Cross multiply
    99,723.08x = 149,479.63 × 33,145.34
  4. Step 4: Simplify right side
    99,723.08x = 4,954,552,329.16
  5. Step 5: Solve for x
    x = 4,954,552,329.16/99,723.08
  6. Step 6: Final answer
    x = 49,683.10

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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.