Home / 75,470.48-104,147.07-41,478.96

Finding the Fourth Proportional to 75,470.48, 104,147.07 and 41,478.96

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Solution

The fourth proportional to 75,470.48, 104,147.07 and 41,478.96 is: 57,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470.48 : 104,147.07 = 41,478.96 : x
  2. Step 2: Convert to fraction form
    75,470.48/104,147.07 = 41,478.96/x
  3. Step 3: Cross multiply
    75,470.48x = 104,147.07 × 41,478.96
  4. Step 4: Simplify right side
    75,470.48x = 4,319,912,092.74
  5. Step 5: Solve for x
    x = 4,319,912,092.74/75,470.48
  6. Step 6: Final answer
    x = 57,239.76

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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.