Home / 99,455.04-137,236.68-57,027.24

Finding the Fourth Proportional to 99,455.04, 137,236.68 and 57,027.24

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Solution

The fourth proportional to 99,455.04, 137,236.68 and 57,027.24 is: 78,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,455.04 : 137,236.68 = 57,027.24 : x
  2. Step 2: Convert to fraction form
    99,455.04/137,236.68 = 57,027.24/x
  3. Step 3: Cross multiply
    99,455.04x = 137,236.68 × 57,027.24
  4. Step 4: Simplify right side
    99,455.04x = 7,826,229,087.16
  5. Step 5: Solve for x
    x = 7,826,229,087.16/99,455.04
  6. Step 6: Final answer
    x = 78,691.13

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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.