Home / 52,151.29-78,226.11-12,708.34

Finding the Fourth Proportional to 52,151.29, 78,226.11 and 12,708.34

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Solution

The fourth proportional to 52,151.29, 78,226.11 and 12,708.34 is: 19,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151.29 : 78,226.11 = 12,708.34 : x
  2. Step 2: Convert to fraction form
    52,151.29/78,226.11 = 12,708.34/x
  3. Step 3: Cross multiply
    52,151.29x = 78,226.11 × 12,708.34
  4. Step 4: Simplify right side
    52,151.29x = 994,124,002.76
  5. Step 5: Solve for x
    x = 994,124,002.76/52,151.29
  6. Step 6: Final answer
    x = 19,062.31

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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.