Home / 52,481.36-72,423.81-28,608.02

Finding the Fourth Proportional to 52,481.36, 72,423.81 and 28,608.02

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Solution

The fourth proportional to 52,481.36, 72,423.81 and 28,608.02 is: 39,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.36 : 72,423.81 = 28,608.02 : x
  2. Step 2: Convert to fraction form
    52,481.36/72,423.81 = 28,608.02/x
  3. Step 3: Cross multiply
    52,481.36x = 72,423.81 × 28,608.02
  4. Step 4: Simplify right side
    52,481.36x = 2,071,901,804.96
  5. Step 5: Solve for x
    x = 2,071,901,804.96/52,481.36
  6. Step 6: Final answer
    x = 39,478.81

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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.