Home / 75,638.92-113,528.43-38,225.32

Finding the Fourth Proportional to 75,638.92, 113,528.43 and 38,225.32

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Solution

The fourth proportional to 75,638.92, 113,528.43 and 38,225.32 is: 57,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.92 : 113,528.43 = 38,225.32 : x
  2. Step 2: Convert to fraction form
    75,638.92/113,528.43 = 38,225.32/x
  3. Step 3: Cross multiply
    75,638.92x = 113,528.43 × 38,225.32
  4. Step 4: Simplify right side
    75,638.92x = 4,339,660,565.85
  5. Step 5: Solve for x
    x = 4,339,660,565.85/75,638.92
  6. Step 6: Final answer
    x = 57,373.38

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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.