Home / 96,780.02-145,016.73-74,647.58

Finding the Fourth Proportional to 96,780.02, 145,016.73 and 74,647.58

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Solution

The fourth proportional to 96,780.02, 145,016.73 and 74,647.58 is: 111,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.02 : 145,016.73 = 74,647.58 : x
  2. Step 2: Convert to fraction form
    96,780.02/145,016.73 = 74,647.58/x
  3. Step 3: Cross multiply
    96,780.02x = 145,016.73 × 74,647.58
  4. Step 4: Simplify right side
    96,780.02x = 10,825,147,228.93
  5. Step 5: Solve for x
    x = 10,825,147,228.93/96,780.02
  6. Step 6: Final answer
    x = 111,853.13

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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.