Home / 109,563.52-151,202.20-61,816.68

Finding the Fourth Proportional to 109,563.52, 151,202.20 and 61,816.68

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Solution

The fourth proportional to 109,563.52, 151,202.20 and 61,816.68 is: 85,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,563.52 : 151,202.20 = 61,816.68 : x
  2. Step 2: Convert to fraction form
    109,563.52/151,202.20 = 61,816.68/x
  3. Step 3: Cross multiply
    109,563.52x = 151,202.20 × 61,816.68
  4. Step 4: Simplify right side
    109,563.52x = 9,346,818,012.70
  5. Step 5: Solve for x
    x = 9,346,818,012.70/109,563.52
  6. Step 6: Final answer
    x = 85,309.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.