Home / 117,771.90-162,520.54-64,056.84

Finding the Fourth Proportional to 117,771.90, 162,520.54 and 64,056.84

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Solution

The fourth proportional to 117,771.90, 162,520.54 and 64,056.84 is: 88,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771.90 : 162,520.54 = 64,056.84 : x
  2. Step 2: Convert to fraction form
    117,771.90/162,520.54 = 64,056.84/x
  3. Step 3: Cross multiply
    117,771.90x = 162,520.54 × 64,056.84
  4. Step 4: Simplify right side
    117,771.90x = 10,410,552,227.49
  5. Step 5: Solve for x
    x = 10,410,552,227.49/117,771.90
  6. Step 6: Final answer
    x = 88,395.89

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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.