Home / 117,479.64-162,122.07-63,764.67

Finding the Fourth Proportional to 117,479.64, 162,122.07 and 63,764.67

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Solution

The fourth proportional to 117,479.64, 162,122.07 and 63,764.67 is: 87,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.64 : 162,122.07 = 63,764.67 : x
  2. Step 2: Convert to fraction form
    117,479.64/162,122.07 = 63,764.67/x
  3. Step 3: Cross multiply
    117,479.64x = 162,122.07 × 63,764.67
  4. Step 4: Simplify right side
    117,479.64x = 10,337,660,293.27
  5. Step 5: Solve for x
    x = 10,337,660,293.27/117,479.64
  6. Step 6: Final answer
    x = 87,995.34

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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.