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Finding the Fourth Proportional to 88,369.56, 121,952.03 and 50,131.67

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Solution

The fourth proportional to 88,369.56, 121,952.03 and 50,131.67 is: 69,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,369.56 : 121,952.03 = 50,131.67 : x
  2. Step 2: Convert to fraction form
    88,369.56/121,952.03 = 50,131.67/x
  3. Step 3: Cross multiply
    88,369.56x = 121,952.03 × 50,131.67
  4. Step 4: Simplify right side
    88,369.56x = 6,113,658,063.37
  5. Step 5: Solve for x
    x = 6,113,658,063.37/88,369.56
  6. Step 6: Final answer
    x = 69,182.85

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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.