Home / 103,599.06-155,297.78-66,041.94

Finding the Fourth Proportional to 103,599.06, 155,297.78 and 66,041.94

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Solution

The fourth proportional to 103,599.06, 155,297.78 and 66,041.94 is: 98,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,599.06 : 155,297.78 = 66,041.94 : x
  2. Step 2: Convert to fraction form
    103,599.06/155,297.78 = 66,041.94/x
  3. Step 3: Cross multiply
    103,599.06x = 155,297.78 × 66,041.94
  4. Step 4: Simplify right side
    103,599.06x = 10,256,166,668.89
  5. Step 5: Solve for x
    x = 10,256,166,668.89/103,599.06
  6. Step 6: Final answer
    x = 98,998.65

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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.