Home / 89,198.40-123,094.56-51,472.32

Finding the Fourth Proportional to 89,198.40, 123,094.56 and 51,472.32

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Solution

The fourth proportional to 89,198.40, 123,094.56 and 51,472.32 is: 71,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,198.40 : 123,094.56 = 51,472.32 : x
  2. Step 2: Convert to fraction form
    89,198.40/123,094.56 = 51,472.32/x
  3. Step 3: Cross multiply
    89,198.40x = 123,094.56 × 51,472.32
  4. Step 4: Simplify right side
    89,198.40x = 6,335,962,582.58
  5. Step 5: Solve for x
    x = 6,335,962,582.58/89,198.40
  6. Step 6: Final answer
    x = 71,032.24

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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.