Home / 102,653.82-141,705.46-62,380.52

Finding the Fourth Proportional to 102,653.82, 141,705.46 and 62,380.52

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Solution

The fourth proportional to 102,653.82, 141,705.46 and 62,380.52 is: 86,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,653.82 : 141,705.46 = 62,380.52 : x
  2. Step 2: Convert to fraction form
    102,653.82/141,705.46 = 62,380.52/x
  3. Step 3: Cross multiply
    102,653.82x = 141,705.46 × 62,380.52
  4. Step 4: Simplify right side
    102,653.82x = 8,839,660,281.64
  5. Step 5: Solve for x
    x = 8,839,660,281.64/102,653.82
  6. Step 6: Final answer
    x = 86,111.36

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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.