Home / 75,108.85-103,650.30-46,814.50

Finding the Fourth Proportional to 75,108.85, 103,650.30 and 46,814.50

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Solution

The fourth proportional to 75,108.85, 103,650.30 and 46,814.50 is: 64,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.85 : 103,650.30 = 46,814.50 : x
  2. Step 2: Convert to fraction form
    75,108.85/103,650.30 = 46,814.50/x
  3. Step 3: Cross multiply
    75,108.85x = 103,650.30 × 46,814.50
  4. Step 4: Simplify right side
    75,108.85x = 4,852,336,969.35
  5. Step 5: Solve for x
    x = 4,852,336,969.35/75,108.85
  6. Step 6: Final answer
    x = 64,604.06

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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.