Home / 104,363.80-156,632.10-48,290.20

Finding the Fourth Proportional to 104,363.80, 156,632.10 and 48,290.20

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Solution

The fourth proportional to 104,363.80, 156,632.10 and 48,290.20 is: 72,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,363.80 : 156,632.10 = 48,290.20 : x
  2. Step 2: Convert to fraction form
    104,363.80/156,632.10 = 48,290.20/x
  3. Step 3: Cross multiply
    104,363.80x = 156,632.10 × 48,290.20
  4. Step 4: Simplify right side
    104,363.80x = 7,563,795,435.42
  5. Step 5: Solve for x
    x = 7,563,795,435.42/104,363.80
  6. Step 6: Final answer
    x = 72,475.28

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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.