Home / 54,712.40-82,077.35-23,122.76

Finding the Fourth Proportional to 54,712.40, 82,077.35 and 23,122.76

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Solution

The fourth proportional to 54,712.40, 82,077.35 and 23,122.76 is: 34,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.40 : 82,077.35 = 23,122.76 : x
  2. Step 2: Convert to fraction form
    54,712.40/82,077.35 = 23,122.76/x
  3. Step 3: Cross multiply
    54,712.40x = 82,077.35 × 23,122.76
  4. Step 4: Simplify right side
    54,712.40x = 1,897,854,749.87
  5. Step 5: Solve for x
    x = 1,897,854,749.87/54,712.40
  6. Step 6: Final answer
    x = 34,687.84

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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.