Home / 85,152.21-117,513.66-47,426.46

Finding the Fourth Proportional to 85,152.21, 117,513.66 and 47,426.46

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Solution

The fourth proportional to 85,152.21, 117,513.66 and 47,426.46 is: 65,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152.21 : 117,513.66 = 47,426.46 : x
  2. Step 2: Convert to fraction form
    85,152.21/117,513.66 = 47,426.46/x
  3. Step 3: Cross multiply
    85,152.21x = 117,513.66 × 47,426.46
  4. Step 4: Simplify right side
    85,152.21x = 5,573,256,895.44
  5. Step 5: Solve for x
    x = 5,573,256,895.44/85,152.21
  6. Step 6: Final answer
    x = 65,450.53

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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.