Home / 53,448.92-80,149.67-28,484.31

Finding the Fourth Proportional to 53,448.92, 80,149.67 and 28,484.31

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Solution

The fourth proportional to 53,448.92, 80,149.67 and 28,484.31 is: 42,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448.92 : 80,149.67 = 28,484.31 : x
  2. Step 2: Convert to fraction form
    53,448.92/80,149.67 = 28,484.31/x
  3. Step 3: Cross multiply
    53,448.92x = 80,149.67 × 28,484.31
  4. Step 4: Simplify right side
    53,448.92x = 2,283,008,117.89
  5. Step 5: Solve for x
    x = 2,283,008,117.89/53,448.92
  6. Step 6: Final answer
    x = 42,713.83

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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.