Home / 52,201.78-78,293.67-17,142.10

Finding the Fourth Proportional to 52,201.78, 78,293.67 and 17,142.10

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Solution

The fourth proportional to 52,201.78, 78,293.67 and 17,142.10 is: 25,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.78 : 78,293.67 = 17,142.10 : x
  2. Step 2: Convert to fraction form
    52,201.78/78,293.67 = 17,142.10/x
  3. Step 3: Cross multiply
    52,201.78x = 78,293.67 × 17,142.10
  4. Step 4: Simplify right side
    52,201.78x = 1,342,117,920.51
  5. Step 5: Solve for x
    x = 1,342,117,920.51/52,201.78
  6. Step 6: Final answer
    x = 25,710.19

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1.5x scale

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.