Home / 85,119.50-117,467.07-47,392.94

Finding the Fourth Proportional to 85,119.50, 117,467.07 and 47,392.94

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Solution

The fourth proportional to 85,119.50, 117,467.07 and 47,392.94 is: 65,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.50 : 117,467.07 = 47,392.94 : x
  2. Step 2: Convert to fraction form
    85,119.50/117,467.07 = 47,392.94/x
  3. Step 3: Cross multiply
    85,119.50x = 117,467.07 × 47,392.94
  4. Step 4: Simplify right side
    85,119.50x = 5,567,109,800.49
  5. Step 5: Solve for x
    x = 5,567,109,800.49/85,119.50
  6. Step 6: Final answer
    x = 65,403.46

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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.