Home / 85,857.96-118,467.18-47,615.97

Finding the Fourth Proportional to 85,857.96, 118,467.18 and 47,615.97

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Solution

The fourth proportional to 85,857.96, 118,467.18 and 47,615.97 is: 65,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,857.96 : 118,467.18 = 47,615.97 : x
  2. Step 2: Convert to fraction form
    85,857.96/118,467.18 = 47,615.97/x
  3. Step 3: Cross multiply
    85,857.96x = 118,467.18 × 47,615.97
  4. Step 4: Simplify right side
    85,857.96x = 5,640,929,688.86
  5. Step 5: Solve for x
    x = 5,640,929,688.86/85,857.96
  6. Step 6: Final answer
    x = 65,700.72

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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.