Home / 72,330.14-99,749.00-49,629.08

Finding the Fourth Proportional to 72,330.14, 99,749.00 and 49,629.08

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Solution

The fourth proportional to 72,330.14, 99,749.00 and 49,629.08 is: 68,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.14 : 99,749.00 = 49,629.08 : x
  2. Step 2: Convert to fraction form
    72,330.14/99,749.00 = 49,629.08/x
  3. Step 3: Cross multiply
    72,330.14x = 99,749.00 × 49,629.08
  4. Step 4: Simplify right side
    72,330.14x = 4,950,451,474.37
  5. Step 5: Solve for x
    x = 4,950,451,474.37/72,330.14
  6. Step 6: Final answer
    x = 68,442.44

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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.