Home / 109,660.32-151,338.24-61,896.24

Finding the Fourth Proportional to 109,660.32, 151,338.24 and 61,896.24

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Solution

The fourth proportional to 109,660.32, 151,338.24 and 61,896.24 is: 85,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,660.32 : 151,338.24 = 61,896.24 : x
  2. Step 2: Convert to fraction form
    109,660.32/151,338.24 = 61,896.24/x
  3. Step 3: Cross multiply
    109,660.32x = 151,338.24 × 61,896.24
  4. Step 4: Simplify right side
    109,660.32x = 9,367,268,024.22
  5. Step 5: Solve for x
    x = 9,367,268,024.22/109,660.32
  6. Step 6: Final answer
    x = 85,420.76

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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.