Home / 117,712.04-162,441.80-63,997.05

Finding the Fourth Proportional to 117,712.04, 162,441.80 and 63,997.05

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Solution

The fourth proportional to 117,712.04, 162,441.80 and 63,997.05 is: 88,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,712.04 : 162,441.80 = 63,997.05 : x
  2. Step 2: Convert to fraction form
    117,712.04/162,441.80 = 63,997.05/x
  3. Step 3: Cross multiply
    117,712.04x = 162,441.80 × 63,997.05
  4. Step 4: Simplify right side
    117,712.04x = 10,395,795,996.69
  5. Step 5: Solve for x
    x = 10,395,795,996.69/117,712.04
  6. Step 6: Final answer
    x = 88,315.49

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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.