Home / 117,635.45-162,336.61-63,920.47

Finding the Fourth Proportional to 117,635.45, 162,336.61 and 63,920.47

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Solution

The fourth proportional to 117,635.45, 162,336.61 and 63,920.47 is: 88,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.45 : 162,336.61 = 63,920.47 : x
  2. Step 2: Convert to fraction form
    117,635.45/162,336.61 = 63,920.47/x
  3. Step 3: Cross multiply
    117,635.45x = 162,336.61 × 63,920.47
  4. Step 4: Simplify right side
    117,635.45x = 10,376,632,003.57
  5. Step 5: Solve for x
    x = 10,376,632,003.57/117,635.45
  6. Step 6: Final answer
    x = 88,210.08

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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.