Home / 114,930.90-172,396.35-58,749.30

Finding the Fourth Proportional to 114,930.90, 172,396.35 and 58,749.30

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Solution

The fourth proportional to 114,930.90, 172,396.35 and 58,749.30 is: 88,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930.90 : 172,396.35 = 58,749.30 : x
  2. Step 2: Convert to fraction form
    114,930.90/172,396.35 = 58,749.30/x
  3. Step 3: Cross multiply
    114,930.90x = 172,396.35 × 58,749.30
  4. Step 4: Simplify right side
    114,930.90x = 10,128,164,885.06
  5. Step 5: Solve for x
    x = 10,128,164,885.06/114,930.90
  6. Step 6: Final answer
    x = 88,123.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.