Home / 79,772.47-110,086.21-43,474.20

Finding the Fourth Proportional to 79,772.47, 110,086.21 and 43,474.20

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Solution

The fourth proportional to 79,772.47, 110,086.21 and 43,474.20 is: 59,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.47 : 110,086.21 = 43,474.20 : x
  2. Step 2: Convert to fraction form
    79,772.47/110,086.21 = 43,474.20/x
  3. Step 3: Cross multiply
    79,772.47x = 110,086.21 × 43,474.20
  4. Step 4: Simplify right side
    79,772.47x = 4,785,909,552.30
  5. Step 5: Solve for x
    x = 4,785,909,552.30/79,772.47
  6. Step 6: Final answer
    x = 59,994.50

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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.