Home / 55,432.62-76,999.65-54,574.09

Finding the Fourth Proportional to 55,432.62, 76,999.65 and 54,574.09

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Solution

The fourth proportional to 55,432.62, 76,999.65 and 54,574.09 is: 75,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.62 : 76,999.65 = 54,574.09 : x
  2. Step 2: Convert to fraction form
    55,432.62/76,999.65 = 54,574.09/x
  3. Step 3: Cross multiply
    55,432.62x = 76,999.65 × 54,574.09
  4. Step 4: Simplify right side
    55,432.62x = 4,202,185,431.92
  5. Step 5: Solve for x
    x = 4,202,185,431.92/55,432.62
  6. Step 6: Final answer
    x = 75,807.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.