Home / 52,481.77-72,421.22-29,515.02

Finding the Fourth Proportional to 52,481.77, 72,421.22 and 29,515.02

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Solution

The fourth proportional to 52,481.77, 72,421.22 and 29,515.02 is: 40,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.77 : 72,421.22 = 29,515.02 : x
  2. Step 2: Convert to fraction form
    52,481.77/72,421.22 = 29,515.02/x
  3. Step 3: Cross multiply
    52,481.77x = 72,421.22 × 29,515.02
  4. Step 4: Simplify right side
    52,481.77x = 2,137,513,682.94
  5. Step 5: Solve for x
    x = 2,137,513,682.94/52,481.77
  6. Step 6: Final answer
    x = 40,728.69

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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.