Home / 92,823.05-128,092.37-50,380.67

Finding the Fourth Proportional to 92,823.05, 128,092.37 and 50,380.67

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Solution

The fourth proportional to 92,823.05, 128,092.37 and 50,380.67 is: 69,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.05 : 128,092.37 = 50,380.67 : x
  2. Step 2: Convert to fraction form
    92,823.05/128,092.37 = 50,380.67/x
  3. Step 3: Cross multiply
    92,823.05x = 128,092.37 × 50,380.67
  4. Step 4: Simplify right side
    92,823.05x = 6,453,378,530.12
  5. Step 5: Solve for x
    x = 6,453,378,530.12/92,823.05
  6. Step 6: Final answer
    x = 69,523.45

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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.