Home / 117,956.08-162,782.32-64,244.04

Finding the Fourth Proportional to 117,956.08, 162,782.32 and 64,244.04

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Solution

The fourth proportional to 117,956.08, 162,782.32 and 64,244.04 is: 88,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,956.08 : 162,782.32 = 64,244.04 : x
  2. Step 2: Convert to fraction form
    117,956.08/162,782.32 = 64,244.04/x
  3. Step 3: Cross multiply
    117,956.08x = 162,782.32 × 64,244.04
  4. Step 4: Simplify right side
    117,956.08x = 10,457,793,877.37
  5. Step 5: Solve for x
    x = 10,457,793,877.37/117,956.08
  6. Step 6: Final answer
    x = 88,658.37

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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.