Home / 52,447.15-72,375.15-28,573.32

Finding the Fourth Proportional to 52,447.15, 72,375.15 and 28,573.32

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Solution

The fourth proportional to 52,447.15, 72,375.15 and 28,573.32 is: 39,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,447.15 : 72,375.15 = 28,573.32 : x
  2. Step 2: Convert to fraction form
    52,447.15/72,375.15 = 28,573.32/x
  3. Step 3: Cross multiply
    52,447.15x = 72,375.15 × 28,573.32
  4. Step 4: Simplify right side
    52,447.15x = 2,067,997,847.80
  5. Step 5: Solve for x
    x = 2,067,997,847.80/52,447.15
  6. Step 6: Final answer
    x = 39,430.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.