Home / 65,016.02-89,721.78-35,208.02

Finding the Fourth Proportional to 65,016.02, 89,721.78 and 35,208.02

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Solution

The fourth proportional to 65,016.02, 89,721.78 and 35,208.02 is: 48,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,016.02 : 89,721.78 = 35,208.02 : x
  2. Step 2: Convert to fraction form
    65,016.02/89,721.78 = 35,208.02/x
  3. Step 3: Cross multiply
    65,016.02x = 89,721.78 × 35,208.02
  4. Step 4: Simplify right side
    65,016.02x = 3,158,926,224.68
  5. Step 5: Solve for x
    x = 3,158,926,224.68/65,016.02
  6. Step 6: Final answer
    x = 48,586.89

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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.