Home / 74,864.75-103,301.61-43,027.70

Finding the Fourth Proportional to 74,864.75, 103,301.61 and 43,027.70

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Solution

The fourth proportional to 74,864.75, 103,301.61 and 43,027.70 is: 59,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.75 : 103,301.61 = 43,027.70 : x
  2. Step 2: Convert to fraction form
    74,864.75/103,301.61 = 43,027.70/x
  3. Step 3: Cross multiply
    74,864.75x = 103,301.61 × 43,027.70
  4. Step 4: Simplify right side
    74,864.75x = 4,444,830,684.60
  5. Step 5: Solve for x
    x = 4,444,830,684.60/74,864.75
  6. Step 6: Final answer
    x = 59,371.48

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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.