Home / 91,936.94-126,887.74-85,933.62

Finding the Fourth Proportional to 91,936.94, 126,887.74 and 85,933.62

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Solution

The fourth proportional to 91,936.94, 126,887.74 and 85,933.62 is: 118,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.94 : 126,887.74 = 85,933.62 : x
  2. Step 2: Convert to fraction form
    91,936.94/126,887.74 = 85,933.62/x
  3. Step 3: Cross multiply
    91,936.94x = 126,887.74 × 85,933.62
  4. Step 4: Simplify right side
    91,936.94x = 10,903,922,831.82
  5. Step 5: Solve for x
    x = 10,903,922,831.82/91,936.94
  6. Step 6: Final answer
    x = 118,602.19

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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.