Home / 53,277.12-79,915.32-13,834.08

Finding the Fourth Proportional to 53,277.12, 79,915.32 and 13,834.08

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Solution

The fourth proportional to 53,277.12, 79,915.32 and 13,834.08 is: 20,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.12 : 79,915.32 = 13,834.08 : x
  2. Step 2: Convert to fraction form
    53,277.12/79,915.32 = 13,834.08/x
  3. Step 3: Cross multiply
    53,277.12x = 79,915.32 × 13,834.08
  4. Step 4: Simplify right side
    53,277.12x = 1,105,554,930.11
  5. Step 5: Solve for x
    x = 1,105,554,930.11/53,277.12
  6. Step 6: Final answer
    x = 20,751.03

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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.