Home / 89,836.75-124,023.32-54,034.75

Finding the Fourth Proportional to 89,836.75, 124,023.32 and 54,034.75

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Solution

The fourth proportional to 89,836.75, 124,023.32 and 54,034.75 is: 74,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.75 : 124,023.32 = 54,034.75 : x
  2. Step 2: Convert to fraction form
    89,836.75/124,023.32 = 54,034.75/x
  3. Step 3: Cross multiply
    89,836.75x = 124,023.32 × 54,034.75
  4. Step 4: Simplify right side
    89,836.75x = 6,701,569,090.37
  5. Step 5: Solve for x
    x = 6,701,569,090.37/89,836.75
  6. Step 6: Final answer
    x = 74,597.19

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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.