Home / 77,703.30-116,554.97-51,401.90

Finding the Fourth Proportional to 77,703.30, 116,554.97 and 51,401.90

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Solution

The fourth proportional to 77,703.30, 116,554.97 and 51,401.90 is: 77,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.30 : 116,554.97 = 51,401.90 : x
  2. Step 2: Convert to fraction form
    77,703.30/116,554.97 = 51,401.90/x
  3. Step 3: Cross multiply
    77,703.30x = 116,554.97 × 51,401.90
  4. Step 4: Simplify right side
    77,703.30x = 5,991,146,458.17
  5. Step 5: Solve for x
    x = 5,991,146,458.17/77,703.30
  6. Step 6: Final answer
    x = 77,102.85

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1.5x scale

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.