Home / 55,450.40-83,219.28-25,853

Finding the Fourth Proportional to 55,450.40, 83,219.28 and 25,853

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Solution

The fourth proportional to 55,450.40, 83,219.28 and 25,853 is: 38,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.40 : 83,219.28 = 25,853 : x
  2. Step 2: Convert to fraction form
    55,450.40/83,219.28 = 25,853/x
  3. Step 3: Cross multiply
    55,450.40x = 83,219.28 × 25,853
  4. Step 4: Simplify right side
    55,450.40x = 2,151,468,045.84
  5. Step 5: Solve for x
    x = 2,151,468,045.84/55,450.40
  6. Step 6: Final answer
    x = 38,799.87

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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.