Home / 43,099.72-64,628.75-15,019.11

Finding the Fourth Proportional to 43,099.72, 64,628.75 and 15,019.11

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Solution

The fourth proportional to 43,099.72, 64,628.75 and 15,019.11 is: 22,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.72 : 64,628.75 = 15,019.11 : x
  2. Step 2: Convert to fraction form
    43,099.72/64,628.75 = 15,019.11/x
  3. Step 3: Cross multiply
    43,099.72x = 64,628.75 × 15,019.11
  4. Step 4: Simplify right side
    43,099.72x = 970,666,342.96
  5. Step 5: Solve for x
    x = 970,666,342.96/43,099.72
  6. Step 6: Final answer
    x = 22,521.41

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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.