Home / 53,765.42-74,178.92-29,887.49

Finding the Fourth Proportional to 53,765.42, 74,178.92 and 29,887.49

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Solution

The fourth proportional to 53,765.42, 74,178.92 and 29,887.49 is: 41,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.42 : 74,178.92 = 29,887.49 : x
  2. Step 2: Convert to fraction form
    53,765.42/74,178.92 = 29,887.49/x
  3. Step 3: Cross multiply
    53,765.42x = 74,178.92 × 29,887.49
  4. Step 4: Simplify right side
    53,765.42x = 2,217,021,989.88
  5. Step 5: Solve for x
    x = 2,217,021,989.88/53,765.42
  6. Step 6: Final answer
    x = 41,235.09

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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.