Home / 57,438.91-86,111.89-25,825.83

Finding the Fourth Proportional to 57,438.91, 86,111.89 and 25,825.83

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Solution

The fourth proportional to 57,438.91, 86,111.89 and 25,825.83 is: 38,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.91 : 86,111.89 = 25,825.83 : x
  2. Step 2: Convert to fraction form
    57,438.91/86,111.89 = 25,825.83/x
  3. Step 3: Cross multiply
    57,438.91x = 86,111.89 × 25,825.83
  4. Step 4: Simplify right side
    57,438.91x = 2,223,911,032.12
  5. Step 5: Solve for x
    x = 2,223,911,032.12/57,438.91
  6. Step 6: Final answer
    x = 38,717.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.