Home / 74,836.40-103,291.96-43,023.78

Finding the Fourth Proportional to 74,836.40, 103,291.96 and 43,023.78

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Solution

The fourth proportional to 74,836.40, 103,291.96 and 43,023.78 is: 59,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.40 : 103,291.96 = 43,023.78 : x
  2. Step 2: Convert to fraction form
    74,836.40/103,291.96 = 43,023.78/x
  3. Step 3: Cross multiply
    74,836.40x = 103,291.96 × 43,023.78
  4. Step 4: Simplify right side
    74,836.40x = 4,444,010,562.81
  5. Step 5: Solve for x
    x = 4,444,010,562.81/74,836.40
  6. Step 6: Final answer
    x = 59,383.01

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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.