Home / 85,745.89-118,329.42-48,020.14

Finding the Fourth Proportional to 85,745.89, 118,329.42 and 48,020.14

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Solution

The fourth proportional to 85,745.89, 118,329.42 and 48,020.14 is: 66,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,745.89 : 118,329.42 = 48,020.14 : x
  2. Step 2: Convert to fraction form
    85,745.89/118,329.42 = 48,020.14/x
  3. Step 3: Cross multiply
    85,745.89x = 118,329.42 × 48,020.14
  4. Step 4: Simplify right side
    85,745.89x = 5,682,195,642.51
  5. Step 5: Solve for x
    x = 5,682,195,642.51/85,745.89
  6. Step 6: Final answer
    x = 66,267.85

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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.