Home / 85,825.98-118,450.35-53,994.20

Finding the Fourth Proportional to 85,825.98, 118,450.35 and 53,994.20

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Solution

The fourth proportional to 85,825.98, 118,450.35 and 53,994.20 is: 74,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.98 : 118,450.35 = 53,994.20 : x
  2. Step 2: Convert to fraction form
    85,825.98/118,450.35 = 53,994.20/x
  3. Step 3: Cross multiply
    85,825.98x = 118,450.35 × 53,994.20
  4. Step 4: Simplify right side
    85,825.98x = 6,395,631,295.72
  5. Step 5: Solve for x
    x = 6,395,631,295.72/85,825.98
  6. Step 6: Final answer
    x = 74,518.59

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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.