Home / 53,168.89-73,383.66-30,523.18

Finding the Fourth Proportional to 53,168.89, 73,383.66 and 30,523.18

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Solution

The fourth proportional to 53,168.89, 73,383.66 and 30,523.18 is: 42,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.89 : 73,383.66 = 30,523.18 : x
  2. Step 2: Convert to fraction form
    53,168.89/73,383.66 = 30,523.18/x
  3. Step 3: Cross multiply
    53,168.89x = 73,383.66 × 30,523.18
  4. Step 4: Simplify right side
    53,168.89x = 2,239,902,663.24
  5. Step 5: Solve for x
    x = 2,239,902,663.24/53,168.89
  6. Step 6: Final answer
    x = 42,128.07

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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.