Home / 52,038.56-78,070.26-16,978.25

Finding the Fourth Proportional to 52,038.56, 78,070.26 and 16,978.25

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Solution

The fourth proportional to 52,038.56, 78,070.26 and 16,978.25 is: 25,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.56 : 78,070.26 = 16,978.25 : x
  2. Step 2: Convert to fraction form
    52,038.56/78,070.26 = 16,978.25/x
  3. Step 3: Cross multiply
    52,038.56x = 78,070.26 × 16,978.25
  4. Step 4: Simplify right side
    52,038.56x = 1,325,496,391.85
  5. Step 5: Solve for x
    x = 1,325,496,391.85/52,038.56
  6. Step 6: Final answer
    x = 25,471.43

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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.