Home / 91,063.94-125,667.70-50,778.18

Finding the Fourth Proportional to 91,063.94, 125,667.70 and 50,778.18

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Solution

The fourth proportional to 91,063.94, 125,667.70 and 50,778.18 is: 70,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,063.94 : 125,667.70 = 50,778.18 : x
  2. Step 2: Convert to fraction form
    91,063.94/125,667.70 = 50,778.18/x
  3. Step 3: Cross multiply
    91,063.94x = 125,667.70 × 50,778.18
  4. Step 4: Simplify right side
    91,063.94x = 6,381,177,090.79
  5. Step 5: Solve for x
    x = 6,381,177,090.79/91,063.94
  6. Step 6: Final answer
    x = 70,073.59

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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.