Home / 77,467.20-106,884-43,932.48

Finding the Fourth Proportional to 77,467.20, 106,884 and 43,932.48

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Solution

The fourth proportional to 77,467.20, 106,884 and 43,932.48 is: 60,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,467.20 : 106,884 = 43,932.48 : x
  2. Step 2: Convert to fraction form
    77,467.20/106,884 = 43,932.48/x
  3. Step 3: Cross multiply
    77,467.20x = 106,884 × 43,932.48
  4. Step 4: Simplify right side
    77,467.20x = 4,695,679,192.32
  5. Step 5: Solve for x
    x = 4,695,679,192.32/77,467.20
  6. Step 6: Final answer
    x = 60,615.06

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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.