Home / 82,079.09-113,362.56-55,174.94

Finding the Fourth Proportional to 82,079.09, 113,362.56 and 55,174.94

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Solution

The fourth proportional to 82,079.09, 113,362.56 and 55,174.94 is: 76,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,079.09 : 113,362.56 = 55,174.94 : x
  2. Step 2: Convert to fraction form
    82,079.09/113,362.56 = 55,174.94/x
  3. Step 3: Cross multiply
    82,079.09x = 113,362.56 × 55,174.94
  4. Step 4: Simplify right side
    82,079.09x = 6,254,771,603.56
  5. Step 5: Solve for x
    x = 6,254,771,603.56/82,079.09
  6. Step 6: Final answer
    x = 76,204.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.