Home / 104,680.56-156,998.64-34,543.20

Finding the Fourth Proportional to 104,680.56, 156,998.64 and 34,543.20

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Solution

The fourth proportional to 104,680.56, 156,998.64 and 34,543.20 is: 51,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,680.56 : 156,998.64 = 34,543.20 : x
  2. Step 2: Convert to fraction form
    104,680.56/156,998.64 = 34,543.20/x
  3. Step 3: Cross multiply
    104,680.56x = 156,998.64 × 34,543.20
  4. Step 4: Simplify right side
    104,680.56x = 5,423,235,421.25
  5. Step 5: Solve for x
    x = 5,423,235,421.25/104,680.56
  6. Step 6: Final answer
    x = 51,807.47

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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.