Home / 75,684.75-104,448.20-42,150.75

Finding the Fourth Proportional to 75,684.75, 104,448.20 and 42,150.75

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Solution

The fourth proportional to 75,684.75, 104,448.20 and 42,150.75 is: 58,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.75 : 104,448.20 = 42,150.75 : x
  2. Step 2: Convert to fraction form
    75,684.75/104,448.20 = 42,150.75/x
  3. Step 3: Cross multiply
    75,684.75x = 104,448.20 × 42,150.75
  4. Step 4: Simplify right side
    75,684.75x = 4,402,569,755.40
  5. Step 5: Solve for x
    x = 4,402,569,755.40/75,684.75
  6. Step 6: Final answer
    x = 58,169.84

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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.