Home / 53,181.56-79,772.65-13,735.98

Finding the Fourth Proportional to 53,181.56, 79,772.65 and 13,735.98

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Solution

The fourth proportional to 53,181.56, 79,772.65 and 13,735.98 is: 20,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.56 : 79,772.65 = 13,735.98 : x
  2. Step 2: Convert to fraction form
    53,181.56/79,772.65 = 13,735.98/x
  3. Step 3: Cross multiply
    53,181.56x = 79,772.65 × 13,735.98
  4. Step 4: Simplify right side
    53,181.56x = 1,095,755,490.61
  5. Step 5: Solve for x
    x = 1,095,755,490.61/53,181.56
  6. Step 6: Final answer
    x = 20,604.05

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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.