Home / 49,127.72-73,639.12-28,022.32

Finding the Fourth Proportional to 49,127.72, 73,639.12 and 28,022.32

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Solution

The fourth proportional to 49,127.72, 73,639.12 and 28,022.32 is: 42,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,127.72 : 73,639.12 = 28,022.32 : x
  2. Step 2: Convert to fraction form
    49,127.72/73,639.12 = 28,022.32/x
  3. Step 3: Cross multiply
    49,127.72x = 73,639.12 × 28,022.32
  4. Step 4: Simplify right side
    49,127.72x = 2,063,538,985.16
  5. Step 5: Solve for x
    x = 2,063,538,985.16/49,127.72
  6. Step 6: Final answer
    x = 42,003.56

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1.5x scale

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.