Home / 104,646.20-156,969.30-34,521.80

Finding the Fourth Proportional to 104,646.20, 156,969.30 and 34,521.80

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Solution

The fourth proportional to 104,646.20, 156,969.30 and 34,521.80 is: 51,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,646.20 : 156,969.30 = 34,521.80 : x
  2. Step 2: Convert to fraction form
    104,646.20/156,969.30 = 34,521.80/x
  3. Step 3: Cross multiply
    104,646.20x = 156,969.30 × 34,521.80
  4. Step 4: Simplify right side
    104,646.20x = 5,418,862,780.74
  5. Step 5: Solve for x
    x = 5,418,862,780.74/104,646.20
  6. Step 6: Final answer
    x = 51,782.70

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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.