Home / 112,391.30-155,099.99-62,090.30

Finding the Fourth Proportional to 112,391.30, 155,099.99 and 62,090.30

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Solution

The fourth proportional to 112,391.30, 155,099.99 and 62,090.30 is: 85,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,391.30 : 155,099.99 = 62,090.30 : x
  2. Step 2: Convert to fraction form
    112,391.30/155,099.99 = 62,090.30/x
  3. Step 3: Cross multiply
    112,391.30x = 155,099.99 × 62,090.30
  4. Step 4: Simplify right side
    112,391.30x = 9,630,204,405.01
  5. Step 5: Solve for x
    x = 9,630,204,405.01/112,391.30
  6. Step 6: Final answer
    x = 85,684.61

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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.