Home / 76,550.75-105,642.33-42,093.70

Finding the Fourth Proportional to 76,550.75, 105,642.33 and 42,093.70

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Solution

The fourth proportional to 76,550.75, 105,642.33 and 42,093.70 is: 58,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,550.75 : 105,642.33 = 42,093.70 : x
  2. Step 2: Convert to fraction form
    76,550.75/105,642.33 = 42,093.70/x
  3. Step 3: Cross multiply
    76,550.75x = 105,642.33 × 42,093.70
  4. Step 4: Simplify right side
    76,550.75x = 4,446,876,282.22
  5. Step 5: Solve for x
    x = 4,446,876,282.22/76,550.75
  6. Step 6: Final answer
    x = 58,090.56

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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.