Home / 105,985.94-146,257.65-58,239.27

Finding the Fourth Proportional to 105,985.94, 146,257.65 and 58,239.27

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Solution

The fourth proportional to 105,985.94, 146,257.65 and 58,239.27 is: 80,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,985.94 : 146,257.65 = 58,239.27 : x
  2. Step 2: Convert to fraction form
    105,985.94/146,257.65 = 58,239.27/x
  3. Step 3: Cross multiply
    105,985.94x = 146,257.65 × 58,239.27
  4. Step 4: Simplify right side
    105,985.94x = 8,517,938,767.92
  5. Step 5: Solve for x
    x = 8,517,938,767.92/105,985.94
  6. Step 6: Final answer
    x = 80,368.58

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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.