Home / 55,923.52-83,937.12-28,240.96

Finding the Fourth Proportional to 55,923.52, 83,937.12 and 28,240.96

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Solution

The fourth proportional to 55,923.52, 83,937.12 and 28,240.96 is: 42,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.52 : 83,937.12 = 28,240.96 : x
  2. Step 2: Convert to fraction form
    55,923.52/83,937.12 = 28,240.96/x
  3. Step 3: Cross multiply
    55,923.52x = 83,937.12 × 28,240.96
  4. Step 4: Simplify right side
    55,923.52x = 2,370,464,848.44
  5. Step 5: Solve for x
    x = 2,370,464,848.44/55,923.52
  6. Step 6: Final answer
    x = 42,387.62

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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.