Home / 86,823.80-119,794.44-51,006.81

Finding the Fourth Proportional to 86,823.80, 119,794.44 and 51,006.81

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Solution

The fourth proportional to 86,823.80, 119,794.44 and 51,006.81 is: 70,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.80 : 119,794.44 = 51,006.81 : x
  2. Step 2: Convert to fraction form
    86,823.80/119,794.44 = 51,006.81/x
  3. Step 3: Cross multiply
    86,823.80x = 119,794.44 × 51,006.81
  4. Step 4: Simplify right side
    86,823.80x = 6,110,332,880.64
  5. Step 5: Solve for x
    x = 6,110,332,880.64/86,823.80
  6. Step 6: Final answer
    x = 70,376.24

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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.