Home / 101,945.03-152,792.60-45,770.72

Finding the Fourth Proportional to 101,945.03, 152,792.60 and 45,770.72

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Solution

The fourth proportional to 101,945.03, 152,792.60 and 45,770.72 is: 68,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,945.03 : 152,792.60 = 45,770.72 : x
  2. Step 2: Convert to fraction form
    101,945.03/152,792.60 = 45,770.72/x
  3. Step 3: Cross multiply
    101,945.03x = 152,792.60 × 45,770.72
  4. Step 4: Simplify right side
    101,945.03x = 6,993,426,319.86
  5. Step 5: Solve for x
    x = 6,993,426,319.86/101,945.03
  6. Step 6: Final answer
    x = 68,599.98

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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.