Home / 53,297.29-79,938.65-15,863.14

Finding the Fourth Proportional to 53,297.29, 79,938.65 and 15,863.14

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Solution

The fourth proportional to 53,297.29, 79,938.65 and 15,863.14 is: 23,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.29 : 79,938.65 = 15,863.14 : x
  2. Step 2: Convert to fraction form
    53,297.29/79,938.65 = 15,863.14/x
  3. Step 3: Cross multiply
    53,297.29x = 79,938.65 × 15,863.14
  4. Step 4: Simplify right side
    53,297.29x = 1,268,078,036.80
  5. Step 5: Solve for x
    x = 1,268,078,036.80/53,297.29
  6. Step 6: Final answer
    x = 23,792.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.