Home / 117,723.48-162,454.80-64,008.60

Finding the Fourth Proportional to 117,723.48, 162,454.80 and 64,008.60

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Solution

The fourth proportional to 117,723.48, 162,454.80 and 64,008.60 is: 88,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,723.48 : 162,454.80 = 64,008.60 : x
  2. Step 2: Convert to fraction form
    117,723.48/162,454.80 = 64,008.60/x
  3. Step 3: Cross multiply
    117,723.48x = 162,454.80 × 64,008.60
  4. Step 4: Simplify right side
    117,723.48x = 10,398,504,311.28
  5. Step 5: Solve for x
    x = 10,398,504,311.28/117,723.48
  6. Step 6: Final answer
    x = 88,329.91

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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.