Home / 50,688.16-76,023.28-13,755.04

Finding the Fourth Proportional to 50,688.16, 76,023.28 and 13,755.04

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Solution

The fourth proportional to 50,688.16, 76,023.28 and 13,755.04 is: 20,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.16 : 76,023.28 = 13,755.04 : x
  2. Step 2: Convert to fraction form
    50,688.16/76,023.28 = 13,755.04/x
  3. Step 3: Cross multiply
    50,688.16x = 76,023.28 × 13,755.04
  4. Step 4: Simplify right side
    50,688.16x = 1,045,703,257.33
  5. Step 5: Solve for x
    x = 1,045,703,257.33/50,688.16
  6. Step 6: Final answer
    x = 20,630.13

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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.