Home / 52,531.30-78,784.80-17,461.54

Finding the Fourth Proportional to 52,531.30, 78,784.80 and 17,461.54

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Solution

The fourth proportional to 52,531.30, 78,784.80 and 17,461.54 is: 26,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.30 : 78,784.80 = 17,461.54 : x
  2. Step 2: Convert to fraction form
    52,531.30/78,784.80 = 17,461.54/x
  3. Step 3: Cross multiply
    52,531.30x = 78,784.80 × 17,461.54
  4. Step 4: Simplify right side
    52,531.30x = 1,375,703,936.59
  5. Step 5: Solve for x
    x = 1,375,703,936.59/52,531.30
  6. Step 6: Final answer
    x = 26,188.27

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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.