Home / 54,789.35-75,611.58-30,916.04

Finding the Fourth Proportional to 54,789.35, 75,611.58 and 30,916.04

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Solution

The fourth proportional to 54,789.35, 75,611.58 and 30,916.04 is: 42,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.35 : 75,611.58 = 30,916.04 : x
  2. Step 2: Convert to fraction form
    54,789.35/75,611.58 = 30,916.04/x
  3. Step 3: Cross multiply
    54,789.35x = 75,611.58 × 30,916.04
  4. Step 4: Simplify right side
    54,789.35x = 2,337,610,631.74
  5. Step 5: Solve for x
    x = 2,337,610,631.74/54,789.35
  6. Step 6: Final answer
    x = 42,665.42

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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.