Home / 76,414.03-105,451.73-47,750.33

Finding the Fourth Proportional to 76,414.03, 105,451.73 and 47,750.33

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Solution

The fourth proportional to 76,414.03, 105,451.73 and 47,750.33 is: 65,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,414.03 : 105,451.73 = 47,750.33 : x
  2. Step 2: Convert to fraction form
    76,414.03/105,451.73 = 47,750.33/x
  3. Step 3: Cross multiply
    76,414.03x = 105,451.73 × 47,750.33
  4. Step 4: Simplify right side
    76,414.03x = 5,035,355,110.51
  5. Step 5: Solve for x
    x = 5,035,355,110.51/76,414.03
  6. Step 6: Final answer
    x = 65,895.69

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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.