Home / 124,847.64-172,289.73-68,259

Finding the Fourth Proportional to 124,847.64, 172,289.73 and 68,259

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Solution

The fourth proportional to 124,847.64, 172,289.73 and 68,259 is: 94,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.64 : 172,289.73 = 68,259 : x
  2. Step 2: Convert to fraction form
    124,847.64/172,289.73 = 68,259/x
  3. Step 3: Cross multiply
    124,847.64x = 172,289.73 × 68,259
  4. Step 4: Simplify right side
    124,847.64x = 11,760,324,680.07
  5. Step 5: Solve for x
    x = 11,760,324,680.07/124,847.64
  6. Step 6: Final answer
    x = 94,197.41

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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.