Home / 86,845.05-119,869.74-51,046.56

Finding the Fourth Proportional to 86,845.05, 119,869.74 and 51,046.56

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Solution

The fourth proportional to 86,845.05, 119,869.74 and 51,046.56 is: 70,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,845.05 : 119,869.74 = 51,046.56 : x
  2. Step 2: Convert to fraction form
    86,845.05/119,869.74 = 51,046.56/x
  3. Step 3: Cross multiply
    86,845.05x = 119,869.74 × 51,046.56
  4. Step 4: Simplify right side
    86,845.05x = 6,118,937,875.09
  5. Step 5: Solve for x
    x = 6,118,937,875.09/86,845.05
  6. Step 6: Final answer
    x = 70,458.11

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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.