Home / 85,907.07-118,557.68-48,183.75

Finding the Fourth Proportional to 85,907.07, 118,557.68 and 48,183.75

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Solution

The fourth proportional to 85,907.07, 118,557.68 and 48,183.75 is: 66,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,907.07 : 118,557.68 = 48,183.75 : x
  2. Step 2: Convert to fraction form
    85,907.07/118,557.68 = 48,183.75/x
  3. Step 3: Cross multiply
    85,907.07x = 118,557.68 × 48,183.75
  4. Step 4: Simplify right side
    85,907.07x = 5,712,553,372.78
  5. Step 5: Solve for x
    x = 5,712,553,372.78/85,907.07
  6. Step 6: Final answer
    x = 66,496.89

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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.