Home / 53,116.43-73,301.61-28,918.10

Finding the Fourth Proportional to 53,116.43, 73,301.61 and 28,918.10

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Solution

The fourth proportional to 53,116.43, 73,301.61 and 28,918.10 is: 39,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.43 : 73,301.61 = 28,918.10 : x
  2. Step 2: Convert to fraction form
    53,116.43/73,301.61 = 28,918.10/x
  3. Step 3: Cross multiply
    53,116.43x = 73,301.61 × 28,918.10
  4. Step 4: Simplify right side
    53,116.43x = 2,119,743,177.18
  5. Step 5: Solve for x
    x = 2,119,743,177.18/53,116.43
  6. Step 6: Final answer
    x = 39,907.49

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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.