Home / 50,508.86-69,688.23-28,998.50

Finding the Fourth Proportional to 50,508.86, 69,688.23 and 28,998.50

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Solution

The fourth proportional to 50,508.86, 69,688.23 and 28,998.50 is: 40,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,508.86 : 69,688.23 = 28,998.50 : x
  2. Step 2: Convert to fraction form
    50,508.86/69,688.23 = 28,998.50/x
  3. Step 3: Cross multiply
    50,508.86x = 69,688.23 × 28,998.50
  4. Step 4: Simplify right side
    50,508.86x = 2,020,854,137.66
  5. Step 5: Solve for x
    x = 2,020,854,137.66/50,508.86
  6. Step 6: Final answer
    x = 40,009.89

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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.