Home / 74,811.69-103,242.29-41,279.85

Finding the Fourth Proportional to 74,811.69, 103,242.29 and 41,279.85

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Solution

The fourth proportional to 74,811.69, 103,242.29 and 41,279.85 is: 56,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.69 : 103,242.29 = 41,279.85 : x
  2. Step 2: Convert to fraction form
    74,811.69/103,242.29 = 41,279.85/x
  3. Step 3: Cross multiply
    74,811.69x = 103,242.29 × 41,279.85
  4. Step 4: Simplify right side
    74,811.69x = 4,261,825,986.75
  5. Step 5: Solve for x
    x = 4,261,825,986.75/74,811.69
  6. Step 6: Final answer
    x = 56,967.38

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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.