Home / 89,867.70-124,057.20-58,052.10

Finding the Fourth Proportional to 89,867.70, 124,057.20 and 58,052.10

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Solution

The fourth proportional to 89,867.70, 124,057.20 and 58,052.10 is: 80,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.70 : 124,057.20 = 58,052.10 : x
  2. Step 2: Convert to fraction form
    89,867.70/124,057.20 = 58,052.10/x
  3. Step 3: Cross multiply
    89,867.70x = 124,057.20 × 58,052.10
  4. Step 4: Simplify right side
    89,867.70x = 7,201,780,980.12
  5. Step 5: Solve for x
    x = 7,201,780,980.12/89,867.70
  6. Step 6: Final answer
    x = 80,137.59

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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.