Home / 75,467.15-104,142.46-43,200.70

Finding the Fourth Proportional to 75,467.15, 104,142.46 and 43,200.70

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Solution

The fourth proportional to 75,467.15, 104,142.46 and 43,200.70 is: 59,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,467.15 : 104,142.46 = 43,200.70 : x
  2. Step 2: Convert to fraction form
    75,467.15/104,142.46 = 43,200.70/x
  3. Step 3: Cross multiply
    75,467.15x = 104,142.46 × 43,200.70
  4. Step 4: Simplify right side
    75,467.15x = 4,499,026,929.52
  5. Step 5: Solve for x
    x = 4,499,026,929.52/75,467.15
  6. Step 6: Final answer
    x = 59,615.70

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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.