Home / 47,171.77-65,077.22-31,228.54

Finding the Fourth Proportional to 47,171.77, 65,077.22 and 31,228.54

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Solution

The fourth proportional to 47,171.77, 65,077.22 and 31,228.54 is: 43,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.77 : 65,077.22 = 31,228.54 : x
  2. Step 2: Convert to fraction form
    47,171.77/65,077.22 = 31,228.54/x
  3. Step 3: Cross multiply
    47,171.77x = 65,077.22 × 31,228.54
  4. Step 4: Simplify right side
    47,171.77x = 2,032,266,483.24
  5. Step 5: Solve for x
    x = 2,032,266,483.24/47,171.77
  6. Step 6: Final answer
    x = 43,082.26

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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.