Home / 75,675.62-104,467.74-43,838.30

Finding the Fourth Proportional to 75,675.62, 104,467.74 and 43,838.30

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Solution

The fourth proportional to 75,675.62, 104,467.74 and 43,838.30 is: 60,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,675.62 : 104,467.74 = 43,838.30 : x
  2. Step 2: Convert to fraction form
    75,675.62/104,467.74 = 43,838.30/x
  3. Step 3: Cross multiply
    75,675.62x = 104,467.74 × 43,838.30
  4. Step 4: Simplify right side
    75,675.62x = 4,579,688,126.44
  5. Step 5: Solve for x
    x = 4,579,688,126.44/75,675.62
  6. Step 6: Final answer
    x = 60,517.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.