Home / 84,790.72-117,016.64-48,982.24

Finding the Fourth Proportional to 84,790.72, 117,016.64 and 48,982.24

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Solution

The fourth proportional to 84,790.72, 117,016.64 and 48,982.24 is: 67,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,790.72 : 117,016.64 = 48,982.24 : x
  2. Step 2: Convert to fraction form
    84,790.72/117,016.64 = 48,982.24/x
  3. Step 3: Cross multiply
    84,790.72x = 117,016.64 × 48,982.24
  4. Step 4: Simplify right side
    84,790.72x = 5,731,737,144.47
  5. Step 5: Solve for x
    x = 5,731,737,144.47/84,790.72
  6. Step 6: Final answer
    x = 67,598.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.