Home / 112,685.58-168,802.38-53,578.26

Finding the Fourth Proportional to 112,685.58, 168,802.38 and 53,578.26

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Solution

The fourth proportional to 112,685.58, 168,802.38 and 53,578.26 is: 80,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,685.58 : 168,802.38 = 53,578.26 : x
  2. Step 2: Convert to fraction form
    112,685.58/168,802.38 = 53,578.26/x
  3. Step 3: Cross multiply
    112,685.58x = 168,802.38 × 53,578.26
  4. Step 4: Simplify right side
    112,685.58x = 9,044,137,804.26
  5. Step 5: Solve for x
    x = 9,044,137,804.26/112,685.58
  6. Step 6: Final answer
    x = 80,259.94

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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.