Home / 85,622.04-118,163.88-47,896.56

Finding the Fourth Proportional to 85,622.04, 118,163.88 and 47,896.56

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Solution

The fourth proportional to 85,622.04, 118,163.88 and 47,896.56 is: 66,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,622.04 : 118,163.88 = 47,896.56 : x
  2. Step 2: Convert to fraction form
    85,622.04/118,163.88 = 47,896.56/x
  3. Step 3: Cross multiply
    85,622.04x = 118,163.88 × 47,896.56
  4. Step 4: Simplify right side
    85,622.04x = 5,659,643,368.25
  5. Step 5: Solve for x
    x = 5,659,643,368.25/85,622.04
  6. Step 6: Final answer
    x = 66,100.31

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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.