Home / 78,441.62-108,258.66-46,610.54

Finding the Fourth Proportional to 78,441.62, 108,258.66 and 46,610.54

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Solution

The fourth proportional to 78,441.62, 108,258.66 and 46,610.54 is: 64,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,441.62 : 108,258.66 = 46,610.54 : x
  2. Step 2: Convert to fraction form
    78,441.62/108,258.66 = 46,610.54/x
  3. Step 3: Cross multiply
    78,441.62x = 108,258.66 × 46,610.54
  4. Step 4: Simplify right side
    78,441.62x = 5,045,994,602.28
  5. Step 5: Solve for x
    x = 5,045,994,602.28/78,441.62
  6. Step 6: Final answer
    x = 64,328.03

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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.