Home / 104,669.10-156,955.05-45,474.30

Finding the Fourth Proportional to 104,669.10, 156,955.05 and 45,474.30

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Solution

The fourth proportional to 104,669.10, 156,955.05 and 45,474.30 is: 68,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,669.10 : 156,955.05 = 45,474.30 : x
  2. Step 2: Convert to fraction form
    104,669.10/156,955.05 = 45,474.30/x
  3. Step 3: Cross multiply
    104,669.10x = 156,955.05 × 45,474.30
  4. Step 4: Simplify right side
    104,669.10x = 7,137,421,030.22
  5. Step 5: Solve for x
    x = 7,137,421,030.22/104,669.10
  6. Step 6: Final answer
    x = 68,190.34

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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.