Home / 115,740.70-173,668.65-45,622.30

Finding the Fourth Proportional to 115,740.70, 173,668.65 and 45,622.30

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Solution

The fourth proportional to 115,740.70, 173,668.65 and 45,622.30 is: 68,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,740.70 : 173,668.65 = 45,622.30 : x
  2. Step 2: Convert to fraction form
    115,740.70/173,668.65 = 45,622.30/x
  3. Step 3: Cross multiply
    115,740.70x = 173,668.65 × 45,622.30
  4. Step 4: Simplify right side
    115,740.70x = 7,923,163,250.90
  5. Step 5: Solve for x
    x = 7,923,163,250.90/115,740.70
  6. Step 6: Final answer
    x = 68,456.15

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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.