Home / 56,265.12-84,395.34-14,145.48

Finding the Fourth Proportional to 56,265.12, 84,395.34 and 14,145.48

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Solution

The fourth proportional to 56,265.12, 84,395.34 and 14,145.48 is: 21,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.12 : 84,395.34 = 14,145.48 : x
  2. Step 2: Convert to fraction form
    56,265.12/84,395.34 = 14,145.48/x
  3. Step 3: Cross multiply
    56,265.12x = 84,395.34 × 14,145.48
  4. Step 4: Simplify right side
    56,265.12x = 1,193,812,594.06
  5. Step 5: Solve for x
    x = 1,193,812,594.06/56,265.12
  6. Step 6: Final answer
    x = 21,217.63

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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.