Home / 89,927.12-124,080.18-52,181.12

Finding the Fourth Proportional to 89,927.12, 124,080.18 and 52,181.12

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Solution

The fourth proportional to 89,927.12, 124,080.18 and 52,181.12 is: 71,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,927.12 : 124,080.18 = 52,181.12 : x
  2. Step 2: Convert to fraction form
    89,927.12/124,080.18 = 52,181.12/x
  3. Step 3: Cross multiply
    89,927.12x = 124,080.18 × 52,181.12
  4. Step 4: Simplify right side
    89,927.12x = 6,474,642,762.20
  5. Step 5: Solve for x
    x = 6,474,642,762.20/89,927.12
  6. Step 6: Final answer
    x = 71,998.78

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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.