Home / 80,628.16-111,267.28-44,821.52

Finding the Fourth Proportional to 80,628.16, 111,267.28 and 44,821.52

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Solution

The fourth proportional to 80,628.16, 111,267.28 and 44,821.52 is: 61,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,628.16 : 111,267.28 = 44,821.52 : x
  2. Step 2: Convert to fraction form
    80,628.16/111,267.28 = 44,821.52/x
  3. Step 3: Cross multiply
    80,628.16x = 111,267.28 × 44,821.52
  4. Step 4: Simplify right side
    80,628.16x = 4,987,168,615.87
  5. Step 5: Solve for x
    x = 4,987,168,615.87/80,628.16
  6. Step 6: Final answer
    x = 61,853.93

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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.