Home / 53,741.88-80,627.40-18,684.27

Finding the Fourth Proportional to 53,741.88, 80,627.40 and 18,684.27

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Solution

The fourth proportional to 53,741.88, 80,627.40 and 18,684.27 is: 28,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741.88 : 80,627.40 = 18,684.27 : x
  2. Step 2: Convert to fraction form
    53,741.88/80,627.40 = 18,684.27/x
  3. Step 3: Cross multiply
    53,741.88x = 80,627.40 × 18,684.27
  4. Step 4: Simplify right side
    53,741.88x = 1,506,464,111.00
  5. Step 5: Solve for x
    x = 1,506,464,111.00/53,741.88
  6. Step 6: Final answer
    x = 28,031.47

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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.