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Finding the Fourth Proportional to 75,799.94, 104,602.59 and 41,811.53

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Solution

The fourth proportional to 75,799.94, 104,602.59 and 41,811.53 is: 57,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.94 : 104,602.59 = 41,811.53 : x
  2. Step 2: Convert to fraction form
    75,799.94/104,602.59 = 41,811.53/x
  3. Step 3: Cross multiply
    75,799.94x = 104,602.59 × 41,811.53
  4. Step 4: Simplify right side
    75,799.94x = 4,373,593,806.85
  5. Step 5: Solve for x
    x = 4,373,593,806.85/75,799.94
  6. Step 6: Final answer
    x = 57,699.18

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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.