Home / 82,679.02-124,016.70-26,516.86

Finding the Fourth Proportional to 82,679.02, 124,016.70 and 26,516.86

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Solution

The fourth proportional to 82,679.02, 124,016.70 and 26,516.86 is: 39,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679.02 : 124,016.70 = 26,516.86 : x
  2. Step 2: Convert to fraction form
    82,679.02/124,016.70 = 26,516.86/x
  3. Step 3: Cross multiply
    82,679.02x = 124,016.70 × 26,516.86
  4. Step 4: Simplify right side
    82,679.02x = 3,288,533,471.56
  5. Step 5: Solve for x
    x = 3,288,533,471.56/82,679.02
  6. Step 6: Final answer
    x = 39,774.70

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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.