Home / 68,659.13-103,161.23-43,710.32

Finding the Fourth Proportional to 68,659.13, 103,161.23 and 43,710.32

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Solution

The fourth proportional to 68,659.13, 103,161.23 and 43,710.32 is: 65,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,659.13 : 103,161.23 = 43,710.32 : x
  2. Step 2: Convert to fraction form
    68,659.13/103,161.23 = 43,710.32/x
  3. Step 3: Cross multiply
    68,659.13x = 103,161.23 × 43,710.32
  4. Step 4: Simplify right side
    68,659.13x = 4,509,210,374.89
  5. Step 5: Solve for x
    x = 4,509,210,374.89/68,659.13
  6. Step 6: Final answer
    x = 65,675.32

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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.