Home / 54,811.14-75,639.57-29,660.64

Finding the Fourth Proportional to 54,811.14, 75,639.57 and 29,660.64

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Solution

The fourth proportional to 54,811.14, 75,639.57 and 29,660.64 is: 40,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.14 : 75,639.57 = 29,660.64 : x
  2. Step 2: Convert to fraction form
    54,811.14/75,639.57 = 29,660.64/x
  3. Step 3: Cross multiply
    54,811.14x = 75,639.57 × 29,660.64
  4. Step 4: Simplify right side
    54,811.14x = 2,243,518,055.52
  5. Step 5: Solve for x
    x = 2,243,518,055.52/54,811.14
  6. Step 6: Final answer
    x = 40,931.79

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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.