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Finding the Fourth Proportional to 85,561.62, 118,027.63 and 49,747.67

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Solution

The fourth proportional to 85,561.62, 118,027.63 and 49,747.67 is: 68,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,561.62 : 118,027.63 = 49,747.67 : x
  2. Step 2: Convert to fraction form
    85,561.62/118,027.63 = 49,747.67/x
  3. Step 3: Cross multiply
    85,561.62x = 118,027.63 × 49,747.67
  4. Step 4: Simplify right side
    85,561.62x = 5,871,599,502.77
  5. Step 5: Solve for x
    x = 5,871,599,502.77/85,561.62
  6. Step 6: Final answer
    x = 68,624.22

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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.