Home / 117,888.60-162,684.58-64,174.04

Finding the Fourth Proportional to 117,888.60, 162,684.58 and 64,174.04

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Solution

The fourth proportional to 117,888.60, 162,684.58 and 64,174.04 is: 88,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.60 : 162,684.58 = 64,174.04 : x
  2. Step 2: Convert to fraction form
    117,888.60/162,684.58 = 64,174.04/x
  3. Step 3: Cross multiply
    117,888.60x = 162,684.58 × 64,174.04
  4. Step 4: Simplify right side
    117,888.60x = 10,440,126,744.30
  5. Step 5: Solve for x
    x = 10,440,126,744.30/117,888.60
  6. Step 6: Final answer
    x = 88,559.26

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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.