Home / 102,974.16-154,355.44-58,505.92

Finding the Fourth Proportional to 102,974.16, 154,355.44 and 58,505.92

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Solution

The fourth proportional to 102,974.16, 154,355.44 and 58,505.92 is: 87,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,974.16 : 154,355.44 = 58,505.92 : x
  2. Step 2: Convert to fraction form
    102,974.16/154,355.44 = 58,505.92/x
  3. Step 3: Cross multiply
    102,974.16x = 154,355.44 × 58,505.92
  4. Step 4: Simplify right side
    102,974.16x = 9,030,707,024.20
  5. Step 5: Solve for x
    x = 9,030,707,024.20/102,974.16
  6. Step 6: Final answer
    x = 87,698.77

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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.