Home / 85,660.75-118,212.24-47,935

Finding the Fourth Proportional to 85,660.75, 118,212.24 and 47,935

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Solution

The fourth proportional to 85,660.75, 118,212.24 and 47,935 is: 66,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,660.75 : 118,212.24 = 47,935 : x
  2. Step 2: Convert to fraction form
    85,660.75/118,212.24 = 47,935/x
  3. Step 3: Cross multiply
    85,660.75x = 118,212.24 × 47,935
  4. Step 4: Simplify right side
    85,660.75x = 5,666,503,724.40
  5. Step 5: Solve for x
    x = 5,666,503,724.40/85,660.75
  6. Step 6: Final answer
    x = 66,150.53

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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.