Home / 53,979.36-74,492.64-30,107.04

Finding the Fourth Proportional to 53,979.36, 74,492.64 and 30,107.04

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Solution

The fourth proportional to 53,979.36, 74,492.64 and 30,107.04 is: 41,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.36 : 74,492.64 = 30,107.04 : x
  2. Step 2: Convert to fraction form
    53,979.36/74,492.64 = 30,107.04/x
  3. Step 3: Cross multiply
    53,979.36x = 74,492.64 × 30,107.04
  4. Step 4: Simplify right side
    53,979.36x = 2,242,752,892.19
  5. Step 5: Solve for x
    x = 2,242,752,892.19/53,979.36
  6. Step 6: Final answer
    x = 41,548.34

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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.