Home / 54,208.91-74,755.81-42,267.89

Finding the Fourth Proportional to 54,208.91, 74,755.81 and 42,267.89

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Solution

The fourth proportional to 54,208.91, 74,755.81 and 42,267.89 is: 58,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,208.91 : 74,755.81 = 42,267.89 : x
  2. Step 2: Convert to fraction form
    54,208.91/74,755.81 = 42,267.89/x
  3. Step 3: Cross multiply
    54,208.91x = 74,755.81 × 42,267.89
  4. Step 4: Simplify right side
    54,208.91x = 3,159,770,593.67
  5. Step 5: Solve for x
    x = 3,159,770,593.67/54,208.91
  6. Step 6: Final answer
    x = 58,288.77

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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.