Home / 85,270.53-117,674.09-47,031.55

Finding the Fourth Proportional to 85,270.53, 117,674.09 and 47,031.55

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Solution

The fourth proportional to 85,270.53, 117,674.09 and 47,031.55 is: 64,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,270.53 : 117,674.09 = 47,031.55 : x
  2. Step 2: Convert to fraction form
    85,270.53/117,674.09 = 47,031.55/x
  3. Step 3: Cross multiply
    85,270.53x = 117,674.09 × 47,031.55
  4. Step 4: Simplify right side
    85,270.53x = 5,534,394,847.54
  5. Step 5: Solve for x
    x = 5,534,394,847.54/85,270.53
  6. Step 6: Final answer
    x = 64,903.96

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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.