Home / 84,156.92-116,136.30-46,431.20

Finding the Fourth Proportional to 84,156.92, 116,136.30 and 46,431.20

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Solution

The fourth proportional to 84,156.92, 116,136.30 and 46,431.20 is: 64,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.92 : 116,136.30 = 46,431.20 : x
  2. Step 2: Convert to fraction form
    84,156.92/116,136.30 = 46,431.20/x
  3. Step 3: Cross multiply
    84,156.92x = 116,136.30 × 46,431.20
  4. Step 4: Simplify right side
    84,156.92x = 5,392,347,772.56
  5. Step 5: Solve for x
    x = 5,392,347,772.56/84,156.92
  6. Step 6: Final answer
    x = 64,074.92

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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.