Home / 85,155.77-117,515.00-49,366.53

Finding the Fourth Proportional to 85,155.77, 117,515.00 and 49,366.53

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Solution

The fourth proportional to 85,155.77, 117,515.00 and 49,366.53 is: 68,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,155.77 : 117,515.00 = 49,366.53 : x
  2. Step 2: Convert to fraction form
    85,155.77/117,515.00 = 49,366.53/x
  3. Step 3: Cross multiply
    85,155.77x = 117,515.00 × 49,366.53
  4. Step 4: Simplify right side
    85,155.77x = 5,801,307,232.33
  5. Step 5: Solve for x
    x = 5,801,307,232.33/85,155.77
  6. Step 6: Final answer
    x = 68,125.83

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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.