Home / 55,400.49-76,443.77-31,527.56

Finding the Fourth Proportional to 55,400.49, 76,443.77 and 31,527.56

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Solution

The fourth proportional to 55,400.49, 76,443.77 and 31,527.56 is: 43,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.49 : 76,443.77 = 31,527.56 : x
  2. Step 2: Convert to fraction form
    55,400.49/76,443.77 = 31,527.56/x
  3. Step 3: Cross multiply
    55,400.49x = 76,443.77 × 31,527.56
  4. Step 4: Simplify right side
    55,400.49x = 2,410,085,815.23
  5. Step 5: Solve for x
    x = 2,410,085,815.23/55,400.49
  6. Step 6: Final answer
    x = 43,502.97

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1.5x scale

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.