Home / 85,230.91-127,883.26-45,741.88

Finding the Fourth Proportional to 85,230.91, 127,883.26 and 45,741.88

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Solution

The fourth proportional to 85,230.91, 127,883.26 and 45,741.88 is: 68,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,230.91 : 127,883.26 = 45,741.88 : x
  2. Step 2: Convert to fraction form
    85,230.91/127,883.26 = 45,741.88/x
  3. Step 3: Cross multiply
    85,230.91x = 127,883.26 × 45,741.88
  4. Step 4: Simplify right side
    85,230.91x = 5,849,620,093.51
  5. Step 5: Solve for x
    x = 5,849,620,093.51/85,230.91
  6. Step 6: Final answer
    x = 68,632.62

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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.