Home / 78,842.59-108,803.07-43,033.39

Finding the Fourth Proportional to 78,842.59, 108,803.07 and 43,033.39

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Solution

The fourth proportional to 78,842.59, 108,803.07 and 43,033.39 is: 59,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,842.59 : 108,803.07 = 43,033.39 : x
  2. Step 2: Convert to fraction form
    78,842.59/108,803.07 = 43,033.39/x
  3. Step 3: Cross multiply
    78,842.59x = 108,803.07 × 43,033.39
  4. Step 4: Simplify right side
    78,842.59x = 4,682,164,944.51
  5. Step 5: Solve for x
    x = 4,682,164,944.51/78,842.59
  6. Step 6: Final answer
    x = 59,386.24

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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.