Home / 91,183.08-136,773.20-46,784.21

Finding the Fourth Proportional to 91,183.08, 136,773.20 and 46,784.21

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Solution

The fourth proportional to 91,183.08, 136,773.20 and 46,784.21 is: 70,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.08 : 136,773.20 = 46,784.21 : x
  2. Step 2: Convert to fraction form
    91,183.08/136,773.20 = 46,784.21/x
  3. Step 3: Cross multiply
    91,183.08x = 136,773.20 × 46,784.21
  4. Step 4: Simplify right side
    91,183.08x = 6,398,826,111.17
  5. Step 5: Solve for x
    x = 6,398,826,111.17/91,183.08
  6. Step 6: Final answer
    x = 70,175.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.