Home / 99,004.68-148,351.37-76,570.29

Finding the Fourth Proportional to 99,004.68, 148,351.37 and 76,570.29

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Solution

The fourth proportional to 99,004.68, 148,351.37 and 76,570.29 is: 114,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.68 : 148,351.37 = 76,570.29 : x
  2. Step 2: Convert to fraction form
    99,004.68/148,351.37 = 76,570.29/x
  3. Step 3: Cross multiply
    99,004.68x = 148,351.37 × 76,570.29
  4. Step 4: Simplify right side
    99,004.68x = 11,359,307,039.95
  5. Step 5: Solve for x
    x = 11,359,307,039.95/99,004.68
  6. Step 6: Final answer
    x = 114,735.05

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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.