Home / 82,008.90-113,173.20-48,009.96

Finding the Fourth Proportional to 82,008.90, 113,173.20 and 48,009.96

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Solution

The fourth proportional to 82,008.90, 113,173.20 and 48,009.96 is: 66,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,008.90 : 113,173.20 = 48,009.96 : x
  2. Step 2: Convert to fraction form
    82,008.90/113,173.20 = 48,009.96/x
  3. Step 3: Cross multiply
    82,008.90x = 113,173.20 × 48,009.96
  4. Step 4: Simplify right side
    82,008.90x = 5,433,440,805.07
  5. Step 5: Solve for x
    x = 5,433,440,805.07/82,008.90
  6. Step 6: Final answer
    x = 66,254.28

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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.