Home / 84,805.20-117,040.47-48,510.03

Finding the Fourth Proportional to 84,805.20, 117,040.47 and 48,510.03

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Solution

The fourth proportional to 84,805.20, 117,040.47 and 48,510.03 is: 66,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805.20 : 117,040.47 = 48,510.03 : x
  2. Step 2: Convert to fraction form
    84,805.20/117,040.47 = 48,510.03/x
  3. Step 3: Cross multiply
    84,805.20x = 117,040.47 × 48,510.03
  4. Step 4: Simplify right side
    84,805.20x = 5,677,636,710.91
  5. Step 5: Solve for x
    x = 5,677,636,710.91/84,805.20
  6. Step 6: Final answer
    x = 66,949.16

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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.