Home / 104,979.85-157,437.47-30,079.91

Finding the Fourth Proportional to 104,979.85, 157,437.47 and 30,079.91

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Solution

The fourth proportional to 104,979.85, 157,437.47 and 30,079.91 is: 45,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.85 : 157,437.47 = 30,079.91 : x
  2. Step 2: Convert to fraction form
    104,979.85/157,437.47 = 30,079.91/x
  3. Step 3: Cross multiply
    104,979.85x = 157,437.47 × 30,079.91
  4. Step 4: Simplify right side
    104,979.85x = 4,735,704,511.44
  5. Step 5: Solve for x
    x = 4,735,704,511.44/104,979.85
  6. Step 6: Final answer
    x = 45,110.61

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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.