Home / 54,931.13-75,813.05-34,789.88

Finding the Fourth Proportional to 54,931.13, 75,813.05 and 34,789.88

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Solution

The fourth proportional to 54,931.13, 75,813.05 and 34,789.88 is: 48,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.13 : 75,813.05 = 34,789.88 : x
  2. Step 2: Convert to fraction form
    54,931.13/75,813.05 = 34,789.88/x
  3. Step 3: Cross multiply
    54,931.13x = 75,813.05 × 34,789.88
  4. Step 4: Simplify right side
    54,931.13x = 2,637,526,358.92
  5. Step 5: Solve for x
    x = 2,637,526,358.92/54,931.13
  6. Step 6: Final answer
    x = 48,015.15

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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.