Home / 52,092.32-78,150.08-28,706.72

Finding the Fourth Proportional to 52,092.32, 78,150.08 and 28,706.72

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Solution

The fourth proportional to 52,092.32, 78,150.08 and 28,706.72 is: 43,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,092.32 : 78,150.08 = 28,706.72 : x
  2. Step 2: Convert to fraction form
    52,092.32/78,150.08 = 28,706.72/x
  3. Step 3: Cross multiply
    52,092.32x = 78,150.08 × 28,706.72
  4. Step 4: Simplify right side
    52,092.32x = 2,243,432,464.54
  5. Step 5: Solve for x
    x = 2,243,432,464.54/52,092.32
  6. Step 6: Final answer
    x = 43,066.47

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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.