Home / 49,140.24-73,652.04-28,320.72

Finding the Fourth Proportional to 49,140.24, 73,652.04 and 28,320.72

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Solution

The fourth proportional to 49,140.24, 73,652.04 and 28,320.72 is: 42,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140.24 : 73,652.04 = 28,320.72 : x
  2. Step 2: Convert to fraction form
    49,140.24/73,652.04 = 28,320.72/x
  3. Step 3: Cross multiply
    49,140.24x = 73,652.04 × 28,320.72
  4. Step 4: Simplify right side
    49,140.24x = 2,085,878,802.27
  5. Step 5: Solve for x
    x = 2,085,878,802.27/49,140.24
  6. Step 6: Final answer
    x = 42,447.47

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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.