Home / 79,210.26-118,741.56-39,721.23

Finding the Fourth Proportional to 79,210.26, 118,741.56 and 39,721.23

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Solution

The fourth proportional to 79,210.26, 118,741.56 and 39,721.23 is: 59,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.26 : 118,741.56 = 39,721.23 : x
  2. Step 2: Convert to fraction form
    79,210.26/118,741.56 = 39,721.23/x
  3. Step 3: Cross multiply
    79,210.26x = 118,741.56 × 39,721.23
  4. Step 4: Simplify right side
    79,210.26x = 4,716,560,815.32
  5. Step 5: Solve for x
    x = 4,716,560,815.32/79,210.26
  6. Step 6: Final answer
    x = 59,544.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.