Home / 75,739.61-104,503.82-43,472.25

Finding the Fourth Proportional to 75,739.61, 104,503.82 and 43,472.25

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Solution

The fourth proportional to 75,739.61, 104,503.82 and 43,472.25 is: 59,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,739.61 : 104,503.82 = 43,472.25 : x
  2. Step 2: Convert to fraction form
    75,739.61/104,503.82 = 43,472.25/x
  3. Step 3: Cross multiply
    75,739.61x = 104,503.82 × 43,472.25
  4. Step 4: Simplify right side
    75,739.61x = 4,543,015,971.63
  5. Step 5: Solve for x
    x = 4,543,015,971.63/75,739.61
  6. Step 6: Final answer
    x = 59,982.04

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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.