Home / 54,811.34-75,639.66-29,660.84

Finding the Fourth Proportional to 54,811.34, 75,639.66 and 29,660.84

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Solution

The fourth proportional to 54,811.34, 75,639.66 and 29,660.84 is: 40,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.34 : 75,639.66 = 29,660.84 : x
  2. Step 2: Convert to fraction form
    54,811.34/75,639.66 = 29,660.84/x
  3. Step 3: Cross multiply
    54,811.34x = 75,639.66 × 29,660.84
  4. Step 4: Simplify right side
    54,811.34x = 2,243,535,852.91
  5. Step 5: Solve for x
    x = 2,243,535,852.91/54,811.34
  6. Step 6: Final answer
    x = 40,931.97

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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.