Home / 96,864.80-144,908.40-83,861.60

Finding the Fourth Proportional to 96,864.80, 144,908.40 and 83,861.60

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Solution

The fourth proportional to 96,864.80, 144,908.40 and 83,861.60 is: 125,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,864.80 : 144,908.40 = 83,861.60 : x
  2. Step 2: Convert to fraction form
    96,864.80/144,908.40 = 83,861.60/x
  3. Step 3: Cross multiply
    96,864.80x = 144,908.40 × 83,861.60
  4. Step 4: Simplify right side
    96,864.80x = 12,152,250,277.44
  5. Step 5: Solve for x
    x = 12,152,250,277.44/96,864.80
  6. Step 6: Final answer
    x = 125,455.79

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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.