Home / 92,525.20-138,688.40-39,959.44

Finding the Fourth Proportional to 92,525.20, 138,688.40 and 39,959.44

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Solution

The fourth proportional to 92,525.20, 138,688.40 and 39,959.44 is: 59,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,525.20 : 138,688.40 = 39,959.44 : x
  2. Step 2: Convert to fraction form
    92,525.20/138,688.40 = 39,959.44/x
  3. Step 3: Cross multiply
    92,525.20x = 138,688.40 × 39,959.44
  4. Step 4: Simplify right side
    92,525.20x = 5,541,910,798.50
  5. Step 5: Solve for x
    x = 5,541,910,798.50/92,525.20
  6. Step 6: Final answer
    x = 59,896.23

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1.5x scale

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.