Home / 79,084.02-109,132.70-47,270.46

Finding the Fourth Proportional to 79,084.02, 109,132.70 and 47,270.46

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Solution

The fourth proportional to 79,084.02, 109,132.70 and 47,270.46 is: 65,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,084.02 : 109,132.70 = 47,270.46 : x
  2. Step 2: Convert to fraction form
    79,084.02/109,132.70 = 47,270.46/x
  3. Step 3: Cross multiply
    79,084.02x = 109,132.70 × 47,270.46
  4. Step 4: Simplify right side
    79,084.02x = 5,158,752,693.69
  5. Step 5: Solve for x
    x = 5,158,752,693.69/79,084.02
  6. Step 6: Final answer
    x = 65,231.29

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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.