Home / 84,840.40-117,025.94-52,120.50

Finding the Fourth Proportional to 84,840.40, 117,025.94 and 52,120.50

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Solution

The fourth proportional to 84,840.40, 117,025.94 and 52,120.50 is: 71,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.40 : 117,025.94 = 52,120.50 : x
  2. Step 2: Convert to fraction form
    84,840.40/117,025.94 = 52,120.50/x
  3. Step 3: Cross multiply
    84,840.40x = 117,025.94 × 52,120.50
  4. Step 4: Simplify right side
    84,840.40x = 6,099,450,505.77
  5. Step 5: Solve for x
    x = 6,099,450,505.77/84,840.40
  6. Step 6: Final answer
    x = 71,893.23

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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.