Home / 104,463.10-156,797.05-51,931.90

Finding the Fourth Proportional to 104,463.10, 156,797.05 and 51,931.90

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Solution

The fourth proportional to 104,463.10, 156,797.05 and 51,931.90 is: 77,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.10 : 156,797.05 = 51,931.90 : x
  2. Step 2: Convert to fraction form
    104,463.10/156,797.05 = 51,931.90/x
  3. Step 3: Cross multiply
    104,463.10x = 156,797.05 × 51,931.90
  4. Step 4: Simplify right side
    104,463.10x = 8,142,768,720.90
  5. Step 5: Solve for x
    x = 8,142,768,720.90/104,463.10
  6. Step 6: Final answer
    x = 77,948.76

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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.