Home / 73,678.20-110,351.13-51,590.18

Finding the Fourth Proportional to 73,678.20, 110,351.13 and 51,590.18

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Solution

The fourth proportional to 73,678.20, 110,351.13 and 51,590.18 is: 77,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,678.20 : 110,351.13 = 51,590.18 : x
  2. Step 2: Convert to fraction form
    73,678.20/110,351.13 = 51,590.18/x
  3. Step 3: Cross multiply
    73,678.20x = 110,351.13 × 51,590.18
  4. Step 4: Simplify right side
    73,678.20x = 5,693,035,032.51
  5. Step 5: Solve for x
    x = 5,693,035,032.51/73,678.20
  6. Step 6: Final answer
    x = 77,268.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.