Home / 104,426.40-156,688.20-54,562.80

Finding the Fourth Proportional to 104,426.40, 156,688.20 and 54,562.80

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Solution

The fourth proportional to 104,426.40, 156,688.20 and 54,562.80 is: 81,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.40 : 156,688.20 = 54,562.80 : x
  2. Step 2: Convert to fraction form
    104,426.40/156,688.20 = 54,562.80/x
  3. Step 3: Cross multiply
    104,426.40x = 156,688.20 × 54,562.80
  4. Step 4: Simplify right side
    104,426.40x = 8,549,346,918.96
  5. Step 5: Solve for x
    x = 8,549,346,918.96/104,426.40
  6. Step 6: Final answer
    x = 81,869.59

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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.