Home / 104,084.80-143,598.60-68,294.68

Finding the Fourth Proportional to 104,084.80, 143,598.60 and 68,294.68

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Solution

The fourth proportional to 104,084.80, 143,598.60 and 68,294.68 is: 94,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.80 : 143,598.60 = 68,294.68 : x
  2. Step 2: Convert to fraction form
    104,084.80/143,598.60 = 68,294.68/x
  3. Step 3: Cross multiply
    104,084.80x = 143,598.60 × 68,294.68
  4. Step 4: Simplify right side
    104,084.80x = 9,807,020,435.45
  5. Step 5: Solve for x
    x = 9,807,020,435.45/104,084.80
  6. Step 6: Final answer
    x = 94,221.45

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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.