Home / 78,914.07-108,901.29-43,104.08

Finding the Fourth Proportional to 78,914.07, 108,901.29 and 43,104.08

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Solution

The fourth proportional to 78,914.07, 108,901.29 and 43,104.08 is: 59,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,914.07 : 108,901.29 = 43,104.08 : x
  2. Step 2: Convert to fraction form
    78,914.07/108,901.29 = 43,104.08/x
  3. Step 3: Cross multiply
    78,914.07x = 108,901.29 × 43,104.08
  4. Step 4: Simplify right side
    78,914.07x = 4,694,089,916.26
  5. Step 5: Solve for x
    x = 4,694,089,916.26/78,914.07
  6. Step 6: Final answer
    x = 59,483.56

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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.