Home / 78,795.42-108,746.73-43,873.62

Finding the Fourth Proportional to 78,795.42, 108,746.73 and 43,873.62

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Solution

The fourth proportional to 78,795.42, 108,746.73 and 43,873.62 is: 60,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,795.42 : 108,746.73 = 43,873.62 : x
  2. Step 2: Convert to fraction form
    78,795.42/108,746.73 = 43,873.62/x
  3. Step 3: Cross multiply
    78,795.42x = 108,746.73 × 43,873.62
  4. Step 4: Simplify right side
    78,795.42x = 4,771,112,708.26
  5. Step 5: Solve for x
    x = 4,771,112,708.26/78,795.42
  6. Step 6: Final answer
    x = 60,550.63

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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.