Home / 51,174.18-70,625.52-28,516.86

Finding the Fourth Proportional to 51,174.18, 70,625.52 and 28,516.86

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Solution

The fourth proportional to 51,174.18, 70,625.52 and 28,516.86 is: 39,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.18 : 70,625.52 = 28,516.86 : x
  2. Step 2: Convert to fraction form
    51,174.18/70,625.52 = 28,516.86/x
  3. Step 3: Cross multiply
    51,174.18x = 70,625.52 × 28,516.86
  4. Step 4: Simplify right side
    51,174.18x = 2,014,018,066.27
  5. Step 5: Solve for x
    x = 2,014,018,066.27/51,174.18
  6. Step 6: Final answer
    x = 39,356.14

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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.