Home / 103,077.20-154,500.60-58,725.20

Finding the Fourth Proportional to 103,077.20, 154,500.60 and 58,725.20

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Solution

The fourth proportional to 103,077.20, 154,500.60 and 58,725.20 is: 88,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,077.20 : 154,500.60 = 58,725.20 : x
  2. Step 2: Convert to fraction form
    103,077.20/154,500.60 = 58,725.20/x
  3. Step 3: Cross multiply
    103,077.20x = 154,500.60 × 58,725.20
  4. Step 4: Simplify right side
    103,077.20x = 9,073,078,635.12
  5. Step 5: Solve for x
    x = 9,073,078,635.12/103,077.20
  6. Step 6: Final answer
    x = 88,022.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.