Home / 105,956.40-146,228.04-60,648.60

Finding the Fourth Proportional to 105,956.40, 146,228.04 and 60,648.60

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Solution

The fourth proportional to 105,956.40, 146,228.04 and 60,648.60 is: 83,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.40 : 146,228.04 = 60,648.60 : x
  2. Step 2: Convert to fraction form
    105,956.40/146,228.04 = 60,648.60/x
  3. Step 3: Cross multiply
    105,956.40x = 146,228.04 × 60,648.60
  4. Step 4: Simplify right side
    105,956.40x = 8,868,525,906.74
  5. Step 5: Solve for x
    x = 8,868,525,906.74/105,956.40
  6. Step 6: Final answer
    x = 83,699.77

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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.