Home / 75,684.56-104,447.94-42,150.56

Finding the Fourth Proportional to 75,684.56, 104,447.94 and 42,150.56

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Solution

The fourth proportional to 75,684.56, 104,447.94 and 42,150.56 is: 58,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.56 : 104,447.94 = 42,150.56 : x
  2. Step 2: Convert to fraction form
    75,684.56/104,447.94 = 42,150.56/x
  3. Step 3: Cross multiply
    75,684.56x = 104,447.94 × 42,150.56
  4. Step 4: Simplify right side
    75,684.56x = 4,402,539,422.97
  5. Step 5: Solve for x
    x = 4,402,539,422.97/75,684.56
  6. Step 6: Final answer
    x = 58,169.58

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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.