Home / 114,749.70-172,038.15-48,135.30

Finding the Fourth Proportional to 114,749.70, 172,038.15 and 48,135.30

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Solution

The fourth proportional to 114,749.70, 172,038.15 and 48,135.30 is: 72,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,749.70 : 172,038.15 = 48,135.30 : x
  2. Step 2: Convert to fraction form
    114,749.70/172,038.15 = 48,135.30/x
  3. Step 3: Cross multiply
    114,749.70x = 172,038.15 × 48,135.30
  4. Step 4: Simplify right side
    114,749.70x = 8,281,107,961.70
  5. Step 5: Solve for x
    x = 8,281,107,961.70/114,749.70
  6. Step 6: Final answer
    x = 72,166.71

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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.