Home / 71,467.02-98,628.45-39,635.24

Finding the Fourth Proportional to 71,467.02, 98,628.45 and 39,635.24

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Solution

The fourth proportional to 71,467.02, 98,628.45 and 39,635.24 is: 54,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,467.02 : 98,628.45 = 39,635.24 : x
  2. Step 2: Convert to fraction form
    71,467.02/98,628.45 = 39,635.24/x
  3. Step 3: Cross multiply
    71,467.02x = 98,628.45 × 39,635.24
  4. Step 4: Simplify right side
    71,467.02x = 3,909,161,793.44
  5. Step 5: Solve for x
    x = 3,909,161,793.44/71,467.02
  6. Step 6: Final answer
    x = 54,698.82

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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.