Home / 51,382.22-70,909.53-29,871.86

Finding the Fourth Proportional to 51,382.22, 70,909.53 and 29,871.86

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Solution

The fourth proportional to 51,382.22, 70,909.53 and 29,871.86 is: 41,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.22 : 70,909.53 = 29,871.86 : x
  2. Step 2: Convert to fraction form
    51,382.22/70,909.53 = 29,871.86/x
  3. Step 3: Cross multiply
    51,382.22x = 70,909.53 × 29,871.86
  4. Step 4: Simplify right side
    51,382.22x = 2,118,199,552.83
  5. Step 5: Solve for x
    x = 2,118,199,552.83/51,382.22
  6. Step 6: Final answer
    x = 41,224.37

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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.