Home / 74,760.43-112,118.64-28,002.37

Finding the Fourth Proportional to 74,760.43, 112,118.64 and 28,002.37

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Solution

The fourth proportional to 74,760.43, 112,118.64 and 28,002.37 is: 41,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,760.43 : 112,118.64 = 28,002.37 : x
  2. Step 2: Convert to fraction form
    74,760.43/112,118.64 = 28,002.37/x
  3. Step 3: Cross multiply
    74,760.43x = 112,118.64 × 28,002.37
  4. Step 4: Simplify right side
    74,760.43x = 3,139,587,641.18
  5. Step 5: Solve for x
    x = 3,139,587,641.18/74,760.43
  6. Step 6: Final answer
    x = 41,995.31

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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.