Home / 71,601.12-98,846.64-66,889.44

Finding the Fourth Proportional to 71,601.12, 98,846.64 and 66,889.44

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Solution

The fourth proportional to 71,601.12, 98,846.64 and 66,889.44 is: 92,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,601.12 : 98,846.64 = 66,889.44 : x
  2. Step 2: Convert to fraction form
    71,601.12/98,846.64 = 66,889.44/x
  3. Step 3: Cross multiply
    71,601.12x = 98,846.64 × 66,889.44
  4. Step 4: Simplify right side
    71,601.12x = 6,611,796,395.48
  5. Step 5: Solve for x
    x = 6,611,796,395.48/71,601.12
  6. Step 6: Final answer
    x = 92,342.08

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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.