Home / 104,562.12-156,754.98-45,353.22

Finding the Fourth Proportional to 104,562.12, 156,754.98 and 45,353.22

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Solution

The fourth proportional to 104,562.12, 156,754.98 and 45,353.22 is: 67,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,562.12 : 156,754.98 = 45,353.22 : x
  2. Step 2: Convert to fraction form
    104,562.12/156,754.98 = 45,353.22/x
  3. Step 3: Cross multiply
    104,562.12x = 156,754.98 × 45,353.22
  4. Step 4: Simplify right side
    104,562.12x = 7,109,343,094.04
  5. Step 5: Solve for x
    x = 7,109,343,094.04/104,562.12
  6. Step 6: Final answer
    x = 67,991.57

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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.