Home / 104,737.95-156,982.08-72,976.05

Finding the Fourth Proportional to 104,737.95, 156,982.08 and 72,976.05

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Solution

The fourth proportional to 104,737.95, 156,982.08 and 72,976.05 is: 109,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,737.95 : 156,982.08 = 72,976.05 : x
  2. Step 2: Convert to fraction form
    104,737.95/156,982.08 = 72,976.05/x
  3. Step 3: Cross multiply
    104,737.95x = 156,982.08 × 72,976.05
  4. Step 4: Simplify right side
    104,737.95x = 11,455,932,119.18
  5. Step 5: Solve for x
    x = 11,455,932,119.18/104,737.95
  6. Step 6: Final answer
    x = 109,377.09

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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.