Home / 57,664.11-79,458.39-42,532.80

Finding the Fourth Proportional to 57,664.11, 79,458.39 and 42,532.80

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Solution

The fourth proportional to 57,664.11, 79,458.39 and 42,532.80 is: 58,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.11 : 79,458.39 = 42,532.80 : x
  2. Step 2: Convert to fraction form
    57,664.11/79,458.39 = 42,532.80/x
  3. Step 3: Cross multiply
    57,664.11x = 79,458.39 × 42,532.80
  4. Step 4: Simplify right side
    57,664.11x = 3,379,587,810.19
  5. Step 5: Solve for x
    x = 3,379,587,810.19/57,664.11
  6. Step 6: Final answer
    x = 58,608.17

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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.