Home / 54,242.01-74,849.94-31,581.18

Finding the Fourth Proportional to 54,242.01, 74,849.94 and 31,581.18

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Solution

The fourth proportional to 54,242.01, 74,849.94 and 31,581.18 is: 43,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.01 : 74,849.94 = 31,581.18 : x
  2. Step 2: Convert to fraction form
    54,242.01/74,849.94 = 31,581.18/x
  3. Step 3: Cross multiply
    54,242.01x = 74,849.94 × 31,581.18
  4. Step 4: Simplify right side
    54,242.01x = 2,363,849,428.13
  5. Step 5: Solve for x
    x = 2,363,849,428.13/54,242.01
  6. Step 6: Final answer
    x = 43,579.68

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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.