Home / 65,998.14-91,078.12-35,783.52

Finding the Fourth Proportional to 65,998.14, 91,078.12 and 35,783.52

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Solution

The fourth proportional to 65,998.14, 91,078.12 and 35,783.52 is: 49,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998.14 : 91,078.12 = 35,783.52 : x
  2. Step 2: Convert to fraction form
    65,998.14/91,078.12 = 35,783.52/x
  3. Step 3: Cross multiply
    65,998.14x = 91,078.12 × 35,783.52
  4. Step 4: Simplify right side
    65,998.14x = 3,259,095,728.58
  5. Step 5: Solve for x
    x = 3,259,095,728.58/65,998.14
  6. Step 6: Final answer
    x = 49,381.63

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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.