Home / 52,639.26-78,971.28-17,100.46

Finding the Fourth Proportional to 52,639.26, 78,971.28 and 17,100.46

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Solution

The fourth proportional to 52,639.26, 78,971.28 and 17,100.46 is: 25,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.26 : 78,971.28 = 17,100.46 : x
  2. Step 2: Convert to fraction form
    52,639.26/78,971.28 = 17,100.46/x
  3. Step 3: Cross multiply
    52,639.26x = 78,971.28 × 17,100.46
  4. Step 4: Simplify right side
    52,639.26x = 1,350,445,214.79
  5. Step 5: Solve for x
    x = 1,350,445,214.79/52,639.26
  6. Step 6: Final answer
    x = 25,654.72

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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.