Home / 53,133.72-73,323.96-29,259.90

Finding the Fourth Proportional to 53,133.72, 73,323.96 and 29,259.90

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Solution

The fourth proportional to 53,133.72, 73,323.96 and 29,259.90 is: 40,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.72 : 73,323.96 = 29,259.90 : x
  2. Step 2: Convert to fraction form
    53,133.72/73,323.96 = 29,259.90/x
  3. Step 3: Cross multiply
    53,133.72x = 73,323.96 × 29,259.90
  4. Step 4: Simplify right side
    53,133.72x = 2,145,451,737.20
  5. Step 5: Solve for x
    x = 2,145,451,737.20/53,133.72
  6. Step 6: Final answer
    x = 40,378.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.