Home / 85,851.44-118,472.75-47,610.92

Finding the Fourth Proportional to 85,851.44, 118,472.75 and 47,610.92

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Solution

The fourth proportional to 85,851.44, 118,472.75 and 47,610.92 is: 65,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,851.44 : 118,472.75 = 47,610.92 : x
  2. Step 2: Convert to fraction form
    85,851.44/118,472.75 = 47,610.92/x
  3. Step 3: Cross multiply
    85,851.44x = 118,472.75 × 47,610.92
  4. Step 4: Simplify right side
    85,851.44x = 5,640,595,792.01
  5. Step 5: Solve for x
    x = 5,640,595,792.01/85,851.44
  6. Step 6: Final answer
    x = 65,701.82

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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.