Home / 74,823.75-103,256.91-41,289.75

Finding the Fourth Proportional to 74,823.75, 103,256.91 and 41,289.75

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Solution

The fourth proportional to 74,823.75, 103,256.91 and 41,289.75 is: 56,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.75 : 103,256.91 = 41,289.75 : x
  2. Step 2: Convert to fraction form
    74,823.75/103,256.91 = 41,289.75/x
  3. Step 3: Cross multiply
    74,823.75x = 103,256.91 × 41,289.75
  4. Step 4: Simplify right side
    74,823.75x = 4,263,451,999.67
  5. Step 5: Solve for x
    x = 4,263,451,999.67/74,823.75
  6. Step 6: Final answer
    x = 56,979.93

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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.