Home / 85,623.86-118,169.82-49,326.56

Finding the Fourth Proportional to 85,623.86, 118,169.82 and 49,326.56

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Solution

The fourth proportional to 85,623.86, 118,169.82 and 49,326.56 is: 68,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,623.86 : 118,169.82 = 49,326.56 : x
  2. Step 2: Convert to fraction form
    85,623.86/118,169.82 = 49,326.56/x
  3. Step 3: Cross multiply
    85,623.86x = 118,169.82 × 49,326.56
  4. Step 4: Simplify right side
    85,623.86x = 5,828,910,716.42
  5. Step 5: Solve for x
    x = 5,828,910,716.42/85,623.86
  6. Step 6: Final answer
    x = 68,075.78

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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.