Home / 54,961.86-75,849.03-31,088.07

Finding the Fourth Proportional to 54,961.86, 75,849.03 and 31,088.07

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Solution

The fourth proportional to 54,961.86, 75,849.03 and 31,088.07 is: 42,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.86 : 75,849.03 = 31,088.07 : x
  2. Step 2: Convert to fraction form
    54,961.86/75,849.03 = 31,088.07/x
  3. Step 3: Cross multiply
    54,961.86x = 75,849.03 × 31,088.07
  4. Step 4: Simplify right side
    54,961.86x = 2,357,999,954.07
  5. Step 5: Solve for x
    x = 2,357,999,954.07/54,961.86
  6. Step 6: Final answer
    x = 42,902.48

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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.