Home / 54,916.16-75,783.48-31,042

Finding the Fourth Proportional to 54,916.16, 75,783.48 and 31,042

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Solution

The fourth proportional to 54,916.16, 75,783.48 and 31,042 is: 42,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.16 : 75,783.48 = 31,042 : x
  2. Step 2: Convert to fraction form
    54,916.16/75,783.48 = 31,042/x
  3. Step 3: Cross multiply
    54,916.16x = 75,783.48 × 31,042
  4. Step 4: Simplify right side
    54,916.16x = 2,352,470,786.16
  5. Step 5: Solve for x
    x = 2,352,470,786.16/54,916.16
  6. Step 6: Final answer
    x = 42,837.50

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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.