Home / 107,380.76-161,070.98-45,051.26

Finding the Fourth Proportional to 107,380.76, 161,070.98 and 45,051.26

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Solution

The fourth proportional to 107,380.76, 161,070.98 and 45,051.26 is: 67,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,380.76 : 161,070.98 = 45,051.26 : x
  2. Step 2: Convert to fraction form
    107,380.76/161,070.98 = 45,051.26/x
  3. Step 3: Cross multiply
    107,380.76x = 161,070.98 × 45,051.26
  4. Step 4: Simplify right side
    107,380.76x = 7,256,450,598.43
  5. Step 5: Solve for x
    x = 7,256,450,598.43/107,380.76
  6. Step 6: Final answer
    x = 67,576.82

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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.