Home / 85,868.26-118,550.73-68,035.30

Finding the Fourth Proportional to 85,868.26, 118,550.73 and 68,035.30

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Solution

The fourth proportional to 85,868.26, 118,550.73 and 68,035.30 is: 93,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,868.26 : 118,550.73 = 68,035.30 : x
  2. Step 2: Convert to fraction form
    85,868.26/118,550.73 = 68,035.30/x
  3. Step 3: Cross multiply
    85,868.26x = 118,550.73 × 68,035.30
  4. Step 4: Simplify right side
    85,868.26x = 8,065,634,480.77
  5. Step 5: Solve for x
    x = 8,065,634,480.77/85,868.26
  6. Step 6: Final answer
    x = 93,930.34

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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.