Home / 53,149.12-73,344.96-30,492.16

Finding the Fourth Proportional to 53,149.12, 73,344.96 and 30,492.16

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Solution

The fourth proportional to 53,149.12, 73,344.96 and 30,492.16 is: 42,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.12 : 73,344.96 = 30,492.16 : x
  2. Step 2: Convert to fraction form
    53,149.12/73,344.96 = 30,492.16/x
  3. Step 3: Cross multiply
    53,149.12x = 73,344.96 × 30,492.16
  4. Step 4: Simplify right side
    53,149.12x = 2,236,446,255.51
  5. Step 5: Solve for x
    x = 2,236,446,255.51/53,149.12
  6. Step 6: Final answer
    x = 42,078.71

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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.