Home / 78,604.07-108,473.43-42,794.33

Finding the Fourth Proportional to 78,604.07, 108,473.43 and 42,794.33

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Solution

The fourth proportional to 78,604.07, 108,473.43 and 42,794.33 is: 59,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604.07 : 108,473.43 = 42,794.33 : x
  2. Step 2: Convert to fraction form
    78,604.07/108,473.43 = 42,794.33/x
  3. Step 3: Cross multiply
    78,604.07x = 108,473.43 × 42,794.33
  4. Step 4: Simplify right side
    78,604.07x = 4,642,047,759.65
  5. Step 5: Solve for x
    x = 4,642,047,759.65/78,604.07
  6. Step 6: Final answer
    x = 59,056.07

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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.