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Finding the Fourth Proportional to 75,009.59, 103,512.97 and 41,475.59

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Solution

The fourth proportional to 75,009.59, 103,512.97 and 41,475.59 is: 57,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009.59 : 103,512.97 = 41,475.59 : x
  2. Step 2: Convert to fraction form
    75,009.59/103,512.97 = 41,475.59/x
  3. Step 3: Cross multiply
    75,009.59x = 103,512.97 × 41,475.59
  4. Step 4: Simplify right side
    75,009.59x = 4,293,261,503.40
  5. Step 5: Solve for x
    x = 4,293,261,503.40/75,009.59
  6. Step 6: Final answer
    x = 57,236.17

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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.