Home / 78,975.88-108,984.84-43,166.08

Finding the Fourth Proportional to 78,975.88, 108,984.84 and 43,166.08

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Solution

The fourth proportional to 78,975.88, 108,984.84 and 43,166.08 is: 59,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,975.88 : 108,984.84 = 43,166.08 : x
  2. Step 2: Convert to fraction form
    78,975.88/108,984.84 = 43,166.08/x
  3. Step 3: Cross multiply
    78,975.88x = 108,984.84 × 43,166.08
  4. Step 4: Simplify right side
    78,975.88x = 4,704,448,322.23
  5. Step 5: Solve for x
    x = 4,704,448,322.23/78,975.88
  6. Step 6: Final answer
    x = 59,568.17

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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.