Home / 82,125.35-123,209.91-25,966.50

Finding the Fourth Proportional to 82,125.35, 123,209.91 and 25,966.50

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Solution

The fourth proportional to 82,125.35, 123,209.91 and 25,966.50 is: 38,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.35 : 123,209.91 = 25,966.50 : x
  2. Step 2: Convert to fraction form
    82,125.35/123,209.91 = 25,966.50/x
  3. Step 3: Cross multiply
    82,125.35x = 123,209.91 × 25,966.50
  4. Step 4: Simplify right side
    82,125.35x = 3,199,330,128.02
  5. Step 5: Solve for x
    x = 3,199,330,128.02/82,125.35
  6. Step 6: Final answer
    x = 38,956.67

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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.