Home / 85,813.73-118,410.20-49,017.25

Finding the Fourth Proportional to 85,813.73, 118,410.20 and 49,017.25

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Solution

The fourth proportional to 85,813.73, 118,410.20 and 49,017.25 is: 67,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,813.73 : 118,410.20 = 49,017.25 : x
  2. Step 2: Convert to fraction form
    85,813.73/118,410.20 = 49,017.25/x
  3. Step 3: Cross multiply
    85,813.73x = 118,410.20 × 49,017.25
  4. Step 4: Simplify right side
    85,813.73x = 5,804,142,738.41
  5. Step 5: Solve for x
    x = 5,804,142,738.41/85,813.73
  6. Step 6: Final answer
    x = 67,636.53

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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.