Home / 96,178.08-144,228.16-39,980

Finding the Fourth Proportional to 96,178.08, 144,228.16 and 39,980

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Solution

The fourth proportional to 96,178.08, 144,228.16 and 39,980 is: 59,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,178.08 : 144,228.16 = 39,980 : x
  2. Step 2: Convert to fraction form
    96,178.08/144,228.16 = 39,980/x
  3. Step 3: Cross multiply
    96,178.08x = 144,228.16 × 39,980
  4. Step 4: Simplify right side
    96,178.08x = 5,766,241,836.80
  5. Step 5: Solve for x
    x = 5,766,241,836.80/96,178.08
  6. Step 6: Final answer
    x = 59,953.80

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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.