Home / 53,230.07-73,455.02-30,553.11

Finding the Fourth Proportional to 53,230.07, 73,455.02 and 30,553.11

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Solution

The fourth proportional to 53,230.07, 73,455.02 and 30,553.11 is: 42,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.07 : 73,455.02 = 30,553.11 : x
  2. Step 2: Convert to fraction form
    53,230.07/73,455.02 = 30,553.11/x
  3. Step 3: Cross multiply
    53,230.07x = 73,455.02 × 30,553.11
  4. Step 4: Simplify right side
    53,230.07x = 2,244,279,153.35
  5. Step 5: Solve for x
    x = 2,244,279,153.35/53,230.07
  6. Step 6: Final answer
    x = 42,161.87

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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.