Home / 52,157.43-78,271.77-28,800.27

Finding the Fourth Proportional to 52,157.43, 78,271.77 and 28,800.27

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Solution

The fourth proportional to 52,157.43, 78,271.77 and 28,800.27 is: 43,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.43 : 78,271.77 = 28,800.27 : x
  2. Step 2: Convert to fraction form
    52,157.43/78,271.77 = 28,800.27/x
  3. Step 3: Cross multiply
    52,157.43x = 78,271.77 × 28,800.27
  4. Step 4: Simplify right side
    52,157.43x = 2,254,248,109.38
  5. Step 5: Solve for x
    x = 2,254,248,109.38/52,157.43
  6. Step 6: Final answer
    x = 43,220.08

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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.