Home / 46,143.77-69,137.74-28,337.42

Finding the Fourth Proportional to 46,143.77, 69,137.74 and 28,337.42

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Solution

The fourth proportional to 46,143.77, 69,137.74 and 28,337.42 is: 42,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,143.77 : 69,137.74 = 28,337.42 : x
  2. Step 2: Convert to fraction form
    46,143.77/69,137.74 = 28,337.42/x
  3. Step 3: Cross multiply
    46,143.77x = 69,137.74 × 28,337.42
  4. Step 4: Simplify right side
    46,143.77x = 1,959,185,176.23
  5. Step 5: Solve for x
    x = 1,959,185,176.23/46,143.77
  6. Step 6: Final answer
    x = 42,458.28

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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.