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Finding the Fourth Proportional to 93,907.44, 129,591.72 and 51,467.76

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Solution

The fourth proportional to 93,907.44, 129,591.72 and 51,467.76 is: 71,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,907.44 : 129,591.72 = 51,467.76 : x
  2. Step 2: Convert to fraction form
    93,907.44/129,591.72 = 51,467.76/x
  3. Step 3: Cross multiply
    93,907.44x = 129,591.72 × 51,467.76
  4. Step 4: Simplify right side
    93,907.44x = 6,669,795,542.95
  5. Step 5: Solve for x
    x = 6,669,795,542.95/93,907.44
  6. Step 6: Final answer
    x = 71,025.21

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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.