Home / 85,276.53-117,682.47-47,037.71

Finding the Fourth Proportional to 85,276.53, 117,682.47 and 47,037.71

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Solution

The fourth proportional to 85,276.53, 117,682.47 and 47,037.71 is: 64,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,276.53 : 117,682.47 = 47,037.71 : x
  2. Step 2: Convert to fraction form
    85,276.53/117,682.47 = 47,037.71/x
  3. Step 3: Cross multiply
    85,276.53x = 117,682.47 × 47,037.71
  4. Step 4: Simplify right side
    85,276.53x = 5,535,514,190.15
  5. Step 5: Solve for x
    x = 5,535,514,190.15/85,276.53
  6. Step 6: Final answer
    x = 64,912.52

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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.