Home / 104,586.12-156,879.18-42,300.36

Finding the Fourth Proportional to 104,586.12, 156,879.18 and 42,300.36

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Solution

The fourth proportional to 104,586.12, 156,879.18 and 42,300.36 is: 63,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,586.12 : 156,879.18 = 42,300.36 : x
  2. Step 2: Convert to fraction form
    104,586.12/156,879.18 = 42,300.36/x
  3. Step 3: Cross multiply
    104,586.12x = 156,879.18 × 42,300.36
  4. Step 4: Simplify right side
    104,586.12x = 6,636,045,790.50
  5. Step 5: Solve for x
    x = 6,636,045,790.50/104,586.12
  6. Step 6: Final answer
    x = 63,450.54

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1.5x scale

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.