Home / 74,814.18-112,192.11-28,041.54

Finding the Fourth Proportional to 74,814.18, 112,192.11 and 28,041.54

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Solution

The fourth proportional to 74,814.18, 112,192.11 and 28,041.54 is: 42,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814.18 : 112,192.11 = 28,041.54 : x
  2. Step 2: Convert to fraction form
    74,814.18/112,192.11 = 28,041.54/x
  3. Step 3: Cross multiply
    74,814.18x = 112,192.11 × 28,041.54
  4. Step 4: Simplify right side
    74,814.18x = 3,146,039,540.25
  5. Step 5: Solve for x
    x = 3,146,039,540.25/74,814.18
  6. Step 6: Final answer
    x = 42,051.38

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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.