Home / 53,186.78-73,398.20-29,313.51

Finding the Fourth Proportional to 53,186.78, 73,398.20 and 29,313.51

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Solution

The fourth proportional to 53,186.78, 73,398.20 and 29,313.51 is: 40,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.78 : 73,398.20 = 29,313.51 : x
  2. Step 2: Convert to fraction form
    53,186.78/73,398.20 = 29,313.51/x
  3. Step 3: Cross multiply
    53,186.78x = 73,398.20 × 29,313.51
  4. Step 4: Simplify right side
    53,186.78x = 2,151,558,723.11
  5. Step 5: Solve for x
    x = 2,151,558,723.11/53,186.78
  6. Step 6: Final answer
    x = 40,452.89

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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.