Home / 76,110.40-105,027.51-41,648.14

Finding the Fourth Proportional to 76,110.40, 105,027.51 and 41,648.14

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Solution

The fourth proportional to 76,110.40, 105,027.51 and 41,648.14 is: 57,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,110.40 : 105,027.51 = 41,648.14 : x
  2. Step 2: Convert to fraction form
    76,110.40/105,027.51 = 41,648.14/x
  3. Step 3: Cross multiply
    76,110.40x = 105,027.51 × 41,648.14
  4. Step 4: Simplify right side
    76,110.40x = 4,374,200,440.33
  5. Step 5: Solve for x
    x = 4,374,200,440.33/76,110.40
  6. Step 6: Final answer
    x = 57,471.78

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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.