Home / 54,929.44-75,801.76-31,055.20

Finding the Fourth Proportional to 54,929.44, 75,801.76 and 31,055.20

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Solution

The fourth proportional to 54,929.44, 75,801.76 and 31,055.20 is: 42,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.44 : 75,801.76 = 31,055.20 : x
  2. Step 2: Convert to fraction form
    54,929.44/75,801.76 = 31,055.20/x
  3. Step 3: Cross multiply
    54,929.44x = 75,801.76 × 31,055.20
  4. Step 4: Simplify right side
    54,929.44x = 2,354,038,817.15
  5. Step 5: Solve for x
    x = 2,354,038,817.15/54,929.44
  6. Step 6: Final answer
    x = 42,855.69

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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.