Home / 104,651.02-156,972.98-45,486.70

Finding the Fourth Proportional to 104,651.02, 156,972.98 and 45,486.70

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Solution

The fourth proportional to 104,651.02, 156,972.98 and 45,486.70 is: 68,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.02 : 156,972.98 = 45,486.70 : x
  2. Step 2: Convert to fraction form
    104,651.02/156,972.98 = 45,486.70/x
  3. Step 3: Cross multiply
    104,651.02x = 156,972.98 × 45,486.70
  4. Step 4: Simplify right side
    104,651.02x = 7,140,182,849.37
  5. Step 5: Solve for x
    x = 7,140,182,849.37/104,651.02
  6. Step 6: Final answer
    x = 68,228.51

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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.