Home / 104,563.06-156,756.40-45,354.14

Finding the Fourth Proportional to 104,563.06, 156,756.40 and 45,354.14

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Solution

The fourth proportional to 104,563.06, 156,756.40 and 45,354.14 is: 67,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,563.06 : 156,756.40 = 45,354.14 : x
  2. Step 2: Convert to fraction form
    104,563.06/156,756.40 = 45,354.14/x
  3. Step 3: Cross multiply
    104,563.06x = 156,756.40 × 45,354.14
  4. Step 4: Simplify right side
    104,563.06x = 7,109,551,711.50
  5. Step 5: Solve for x
    x = 7,109,551,711.50/104,563.06
  6. Step 6: Final answer
    x = 67,992.96

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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.