Home / 100,782.43-151,080.05-44,592.53

Finding the Fourth Proportional to 100,782.43, 151,080.05 and 44,592.53

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Solution

The fourth proportional to 100,782.43, 151,080.05 and 44,592.53 is: 66,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,782.43 : 151,080.05 = 44,592.53 : x
  2. Step 2: Convert to fraction form
    100,782.43/151,080.05 = 44,592.53/x
  3. Step 3: Cross multiply
    100,782.43x = 151,080.05 × 44,592.53
  4. Step 4: Simplify right side
    100,782.43x = 6,737,041,018.11
  5. Step 5: Solve for x
    x = 6,737,041,018.11/100,782.43
  6. Step 6: Final answer
    x = 66,847.38

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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.