Home / 55,868.28-83,802.40-16,425.72

Finding the Fourth Proportional to 55,868.28, 83,802.40 and 16,425.72

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Solution

The fourth proportional to 55,868.28, 83,802.40 and 16,425.72 is: 24,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.28 : 83,802.40 = 16,425.72 : x
  2. Step 2: Convert to fraction form
    55,868.28/83,802.40 = 16,425.72/x
  3. Step 3: Cross multiply
    55,868.28x = 83,802.40 × 16,425.72
  4. Step 4: Simplify right side
    55,868.28x = 1,376,514,757.73
  5. Step 5: Solve for x
    x = 1,376,514,757.73/55,868.28
  6. Step 6: Final answer
    x = 24,638.57

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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.