Home / 54,346.59-74,972.79-38,439.81

Finding the Fourth Proportional to 54,346.59, 74,972.79 and 38,439.81

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Solution

The fourth proportional to 54,346.59, 74,972.79 and 38,439.81 is: 53,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,346.59 : 74,972.79 = 38,439.81 : x
  2. Step 2: Convert to fraction form
    54,346.59/74,972.79 = 38,439.81/x
  3. Step 3: Cross multiply
    54,346.59x = 74,972.79 × 38,439.81
  4. Step 4: Simplify right side
    54,346.59x = 2,881,939,802.77
  5. Step 5: Solve for x
    x = 2,881,939,802.77/54,346.59
  6. Step 6: Final answer
    x = 53,028.90

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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.