Home / 104,268.40-143,891.13-56,522.50

Finding the Fourth Proportional to 104,268.40, 143,891.13 and 56,522.50

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Solution

The fourth proportional to 104,268.40, 143,891.13 and 56,522.50 is: 78,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,268.40 : 143,891.13 = 56,522.50 : x
  2. Step 2: Convert to fraction form
    104,268.40/143,891.13 = 56,522.50/x
  3. Step 3: Cross multiply
    104,268.40x = 143,891.13 × 56,522.50
  4. Step 4: Simplify right side
    104,268.40x = 8,133,086,395.43
  5. Step 5: Solve for x
    x = 8,133,086,395.43/104,268.40
  6. Step 6: Final answer
    x = 78,001.45

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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.