Home / 82,211.51-123,332.82-26,065.76

Finding the Fourth Proportional to 82,211.51, 123,332.82 and 26,065.76

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Solution

The fourth proportional to 82,211.51, 123,332.82 and 26,065.76 is: 39,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,211.51 : 123,332.82 = 26,065.76 : x
  2. Step 2: Convert to fraction form
    82,211.51/123,332.82 = 26,065.76/x
  3. Step 3: Cross multiply
    82,211.51x = 123,332.82 × 26,065.76
  4. Step 4: Simplify right side
    82,211.51x = 3,214,763,686.24
  5. Step 5: Solve for x
    x = 3,214,763,686.24/82,211.51
  6. Step 6: Final answer
    x = 39,103.57

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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.