Home / 50,961.76-70,312.66-30,804.00

Finding the Fourth Proportional to 50,961.76, 70,312.66 and 30,804.00

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Solution

The fourth proportional to 50,961.76, 70,312.66 and 30,804.00 is: 42,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,961.76 : 70,312.66 = 30,804.00 : x
  2. Step 2: Convert to fraction form
    50,961.76/70,312.66 = 30,804.00/x
  3. Step 3: Cross multiply
    50,961.76x = 70,312.66 × 30,804.00
  4. Step 4: Simplify right side
    50,961.76x = 2,165,910,837.96
  5. Step 5: Solve for x
    x = 2,165,910,837.96/50,961.76
  6. Step 6: Final answer
    x = 42,500.71

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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.