Home / 75,378.60-104,023.83-41,390.29

Finding the Fourth Proportional to 75,378.60, 104,023.83 and 41,390.29

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Solution

The fourth proportional to 75,378.60, 104,023.83 and 41,390.29 is: 57,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.60 : 104,023.83 = 41,390.29 : x
  2. Step 2: Convert to fraction form
    75,378.60/104,023.83 = 41,390.29/x
  3. Step 3: Cross multiply
    75,378.60x = 104,023.83 × 41,390.29
  4. Step 4: Simplify right side
    75,378.60x = 4,305,576,490.61
  5. Step 5: Solve for x
    x = 4,305,576,490.61/75,378.60
  6. Step 6: Final answer
    x = 57,119.35

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1.5x scale

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.