Home / 72,324.73-99,796.20-45,448.18

Finding the Fourth Proportional to 72,324.73, 99,796.20 and 45,448.18

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Solution

The fourth proportional to 72,324.73, 99,796.20 and 45,448.18 is: 62,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324.73 : 99,796.20 = 45,448.18 : x
  2. Step 2: Convert to fraction form
    72,324.73/99,796.20 = 45,448.18/x
  3. Step 3: Cross multiply
    72,324.73x = 99,796.20 × 45,448.18
  4. Step 4: Simplify right side
    72,324.73x = 4,535,555,660.92
  5. Step 5: Solve for x
    x = 4,535,555,660.92/72,324.73
  6. Step 6: Final answer
    x = 62,710.99

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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.