Home / 75,026.90-112,525.50-21,725.12

Finding the Fourth Proportional to 75,026.90, 112,525.50 and 21,725.12

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Solution

The fourth proportional to 75,026.90, 112,525.50 and 21,725.12 is: 32,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,026.90 : 112,525.50 = 21,725.12 : x
  2. Step 2: Convert to fraction form
    75,026.90/112,525.50 = 21,725.12/x
  3. Step 3: Cross multiply
    75,026.90x = 112,525.50 × 21,725.12
  4. Step 4: Simplify right side
    75,026.90x = 2,444,629,990.56
  5. Step 5: Solve for x
    x = 2,444,629,990.56/75,026.90
  6. Step 6: Final answer
    x = 32,583.38

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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.