Home / 74,301.10-111,524.55-36,903.40

Finding the Fourth Proportional to 74,301.10, 111,524.55 and 36,903.40

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Solution

The fourth proportional to 74,301.10, 111,524.55 and 36,903.40 is: 55,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.10 : 111,524.55 = 36,903.40 : x
  2. Step 2: Convert to fraction form
    74,301.10/111,524.55 = 36,903.40/x
  3. Step 3: Cross multiply
    74,301.10x = 111,524.55 × 36,903.40
  4. Step 4: Simplify right side
    74,301.10x = 4,115,635,078.47
  5. Step 5: Solve for x
    x = 4,115,635,078.47/74,301.10
  6. Step 6: Final answer
    x = 55,391.31

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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.