Home / 86,507.89-119,390.03-50,699.41

Finding the Fourth Proportional to 86,507.89, 119,390.03 and 50,699.41

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Solution

The fourth proportional to 86,507.89, 119,390.03 and 50,699.41 is: 69,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.89 : 119,390.03 = 50,699.41 : x
  2. Step 2: Convert to fraction form
    86,507.89/119,390.03 = 50,699.41/x
  3. Step 3: Cross multiply
    86,507.89x = 119,390.03 × 50,699.41
  4. Step 4: Simplify right side
    86,507.89x = 6,053,003,827.39
  5. Step 5: Solve for x
    x = 6,053,003,827.39/86,507.89
  6. Step 6: Final answer
    x = 69,970.54

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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.