Home / 47,162.39-70,625.29-28,175.32

Finding the Fourth Proportional to 47,162.39, 70,625.29 and 28,175.32

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Solution

The fourth proportional to 47,162.39, 70,625.29 and 28,175.32 is: 42,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,162.39 : 70,625.29 = 28,175.32 : x
  2. Step 2: Convert to fraction form
    47,162.39/70,625.29 = 28,175.32/x
  3. Step 3: Cross multiply
    47,162.39x = 70,625.29 × 28,175.32
  4. Step 4: Simplify right side
    47,162.39x = 1,989,890,145.84
  5. Step 5: Solve for x
    x = 1,989,890,145.84/47,162.39
  6. Step 6: Final answer
    x = 42,192.31

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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.