Home / 117,626.72-162,306.60-69,878.84

Finding the Fourth Proportional to 117,626.72, 162,306.60 and 69,878.84

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Solution

The fourth proportional to 117,626.72, 162,306.60 and 69,878.84 is: 96,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626.72 : 162,306.60 = 69,878.84 : x
  2. Step 2: Convert to fraction form
    117,626.72/162,306.60 = 69,878.84/x
  3. Step 3: Cross multiply
    117,626.72x = 162,306.60 × 69,878.84
  4. Step 4: Simplify right side
    117,626.72x = 11,341,796,932.34
  5. Step 5: Solve for x
    x = 11,341,796,932.34/117,626.72
  6. Step 6: Final answer
    x = 96,421.94

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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.