Home / 43,117.32-64,709.50-19,745.08

Finding the Fourth Proportional to 43,117.32, 64,709.50 and 19,745.08

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Solution

The fourth proportional to 43,117.32, 64,709.50 and 19,745.08 is: 29,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117.32 : 64,709.50 = 19,745.08 : x
  2. Step 2: Convert to fraction form
    43,117.32/64,709.50 = 19,745.08/x
  3. Step 3: Cross multiply
    43,117.32x = 64,709.50 × 19,745.08
  4. Step 4: Simplify right side
    43,117.32x = 1,277,694,254.26
  5. Step 5: Solve for x
    x = 1,277,694,254.26/43,117.32
  6. Step 6: Final answer
    x = 29,632.97

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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.