Home / 98,914.80-148,135.12-50,756.66

Finding the Fourth Proportional to 98,914.80, 148,135.12 and 50,756.66

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Solution

The fourth proportional to 98,914.80, 148,135.12 and 50,756.66 is: 76,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914.80 : 148,135.12 = 50,756.66 : x
  2. Step 2: Convert to fraction form
    98,914.80/148,135.12 = 50,756.66/x
  3. Step 3: Cross multiply
    98,914.80x = 148,135.12 × 50,756.66
  4. Step 4: Simplify right side
    98,914.80x = 7,518,843,919.90
  5. Step 5: Solve for x
    x = 7,518,843,919.90/98,914.80
  6. Step 6: Final answer
    x = 76,013.34

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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.