Home / 72,975.47-100,706.27-41,144.28

Finding the Fourth Proportional to 72,975.47, 100,706.27 and 41,144.28

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Solution

The fourth proportional to 72,975.47, 100,706.27 and 41,144.28 is: 56,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,975.47 : 100,706.27 = 41,144.28 : x
  2. Step 2: Convert to fraction form
    72,975.47/100,706.27 = 41,144.28/x
  3. Step 3: Cross multiply
    72,975.47x = 100,706.27 × 41,144.28
  4. Step 4: Simplify right side
    72,975.47x = 4,143,486,764.91
  5. Step 5: Solve for x
    x = 4,143,486,764.91/72,975.47
  6. Step 6: Final answer
    x = 56,779.18

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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.