Home / 53,636.72-80,462.40-31,157.96

Finding the Fourth Proportional to 53,636.72, 80,462.40 and 31,157.96

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Solution

The fourth proportional to 53,636.72, 80,462.40 and 31,157.96 is: 46,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.72 : 80,462.40 = 31,157.96 : x
  2. Step 2: Convert to fraction form
    53,636.72/80,462.40 = 31,157.96/x
  3. Step 3: Cross multiply
    53,636.72x = 80,462.40 × 31,157.96
  4. Step 4: Simplify right side
    53,636.72x = 2,507,044,240.70
  5. Step 5: Solve for x
    x = 2,507,044,240.70/53,636.72
  6. Step 6: Final answer
    x = 46,741.19

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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.