Home / 85,576.82-118,101.46-47,851.06

Finding the Fourth Proportional to 85,576.82, 118,101.46 and 47,851.06

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Solution

The fourth proportional to 85,576.82, 118,101.46 and 47,851.06 is: 66,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576.82 : 118,101.46 = 47,851.06 : x
  2. Step 2: Convert to fraction form
    85,576.82/118,101.46 = 47,851.06/x
  3. Step 3: Cross multiply
    85,576.82x = 118,101.46 × 47,851.06
  4. Step 4: Simplify right side
    85,576.82x = 5,651,280,048.55
  5. Step 5: Solve for x
    x = 5,651,280,048.55/85,576.82
  6. Step 6: Final answer
    x = 66,037.51

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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.