Home / 102,980.16-154,364.44-58,511.92

Finding the Fourth Proportional to 102,980.16, 154,364.44 and 58,511.92

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Solution

The fourth proportional to 102,980.16, 154,364.44 and 58,511.92 is: 87,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,980.16 : 154,364.44 = 58,511.92 : x
  2. Step 2: Convert to fraction form
    102,980.16/154,364.44 = 58,511.92/x
  3. Step 3: Cross multiply
    102,980.16x = 154,364.44 × 58,511.92
  4. Step 4: Simplify right side
    102,980.16x = 9,032,159,764.12
  5. Step 5: Solve for x
    x = 9,032,159,764.12/102,980.16
  6. Step 6: Final answer
    x = 87,707.77

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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.