Home / 52,804.16-79,009.38-52,213.64

Finding the Fourth Proportional to 52,804.16, 79,009.38 and 52,213.64

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Solution

The fourth proportional to 52,804.16, 79,009.38 and 52,213.64 is: 78,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.16 : 79,009.38 = 52,213.64 : x
  2. Step 2: Convert to fraction form
    52,804.16/79,009.38 = 52,213.64/x
  3. Step 3: Cross multiply
    52,804.16x = 79,009.38 × 52,213.64
  4. Step 4: Simplify right side
    52,804.16x = 4,125,367,323.94
  5. Step 5: Solve for x
    x = 4,125,367,323.94/52,804.16
  6. Step 6: Final answer
    x = 78,125.80

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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.