Home / 104,063.02-143,668.84-68,315.56

Finding the Fourth Proportional to 104,063.02, 143,668.84 and 68,315.56

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Solution

The fourth proportional to 104,063.02, 143,668.84 and 68,315.56 is: 94,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.02 : 143,668.84 = 68,315.56 : x
  2. Step 2: Convert to fraction form
    104,063.02/143,668.84 = 68,315.56/x
  3. Step 3: Cross multiply
    104,063.02x = 143,668.84 × 68,315.56
  4. Step 4: Simplify right side
    104,063.02x = 9,814,817,259.15
  5. Step 5: Solve for x
    x = 9,814,817,259.15/104,063.02
  6. Step 6: Final answer
    x = 94,316.09

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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.