Home / 83,825.12-115,680.08-48,018.26

Finding the Fourth Proportional to 83,825.12, 115,680.08 and 48,018.26

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Solution

The fourth proportional to 83,825.12, 115,680.08 and 48,018.26 is: 66,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,825.12 : 115,680.08 = 48,018.26 : x
  2. Step 2: Convert to fraction form
    83,825.12/115,680.08 = 48,018.26/x
  3. Step 3: Cross multiply
    83,825.12x = 115,680.08 × 48,018.26
  4. Step 4: Simplify right side
    83,825.12x = 5,554,756,158.26
  5. Step 5: Solve for x
    x = 5,554,756,158.26/83,825.12
  6. Step 6: Final answer
    x = 66,266.01

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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.