Home / 117,714.96-162,429.16-69,951.12

Finding the Fourth Proportional to 117,714.96, 162,429.16 and 69,951.12

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Solution

The fourth proportional to 117,714.96, 162,429.16 and 69,951.12 is: 96,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,714.96 : 162,429.16 = 69,951.12 : x
  2. Step 2: Convert to fraction form
    117,714.96/162,429.16 = 69,951.12/x
  3. Step 3: Cross multiply
    117,714.96x = 162,429.16 × 69,951.12
  4. Step 4: Simplify right side
    117,714.96x = 11,362,101,662.66
  5. Step 5: Solve for x
    x = 11,362,101,662.66/117,714.96
  6. Step 6: Final answer
    x = 96,522.16

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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.