Home / 103,884.93-143,396.73-60,878.18

Finding the Fourth Proportional to 103,884.93, 143,396.73 and 60,878.18

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Solution

The fourth proportional to 103,884.93, 143,396.73 and 60,878.18 is: 84,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,884.93 : 143,396.73 = 60,878.18 : x
  2. Step 2: Convert to fraction form
    103,884.93/143,396.73 = 60,878.18/x
  3. Step 3: Cross multiply
    103,884.93x = 143,396.73 × 60,878.18
  4. Step 4: Simplify right side
    103,884.93x = 8,729,732,298.84
  5. Step 5: Solve for x
    x = 8,729,732,298.84/103,884.93
  6. Step 6: Final answer
    x = 84,032.71

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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.