Home / 85,578.36-118,093.26-47,335.68

Finding the Fourth Proportional to 85,578.36, 118,093.26 and 47,335.68

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Solution

The fourth proportional to 85,578.36, 118,093.26 and 47,335.68 is: 65,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,578.36 : 118,093.26 = 47,335.68 : x
  2. Step 2: Convert to fraction form
    85,578.36/118,093.26 = 47,335.68/x
  3. Step 3: Cross multiply
    85,578.36x = 118,093.26 × 47,335.68
  4. Step 4: Simplify right side
    85,578.36x = 5,590,024,765.52
  5. Step 5: Solve for x
    x = 5,590,024,765.52/85,578.36
  6. Step 6: Final answer
    x = 65,320.54

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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.