Home / 55,310.85-82,973.16-15,868.71

Finding the Fourth Proportional to 55,310.85, 82,973.16 and 15,868.71

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Solution

The fourth proportional to 55,310.85, 82,973.16 and 15,868.71 is: 23,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310.85 : 82,973.16 = 15,868.71 : x
  2. Step 2: Convert to fraction form
    55,310.85/82,973.16 = 15,868.71/x
  3. Step 3: Cross multiply
    55,310.85x = 82,973.16 × 15,868.71
  4. Step 4: Simplify right side
    55,310.85x = 1,316,677,013.82
  5. Step 5: Solve for x
    x = 1,316,677,013.82/55,310.85
  6. Step 6: Final answer
    x = 23,805.04

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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.