Home / 85,651.56-118,194.39-47,928.24

Finding the Fourth Proportional to 85,651.56, 118,194.39 and 47,928.24

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Solution

The fourth proportional to 85,651.56, 118,194.39 and 47,928.24 is: 66,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,651.56 : 118,194.39 = 47,928.24 : x
  2. Step 2: Convert to fraction form
    85,651.56/118,194.39 = 47,928.24/x
  3. Step 3: Cross multiply
    85,651.56x = 118,194.39 × 47,928.24
  4. Step 4: Simplify right side
    85,651.56x = 5,664,849,090.57
  5. Step 5: Solve for x
    x = 5,664,849,090.57/85,651.56
  6. Step 6: Final answer
    x = 66,138.31

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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.