Home / 56,278.12-84,411.42-14,719.72

Finding the Fourth Proportional to 56,278.12, 84,411.42 and 14,719.72

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Solution

The fourth proportional to 56,278.12, 84,411.42 and 14,719.72 is: 22,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,278.12 : 84,411.42 = 14,719.72 : x
  2. Step 2: Convert to fraction form
    56,278.12/84,411.42 = 14,719.72/x
  3. Step 3: Cross multiply
    56,278.12x = 84,411.42 × 14,719.72
  4. Step 4: Simplify right side
    56,278.12x = 1,242,512,467.20
  5. Step 5: Solve for x
    x = 1,242,512,467.20/56,278.12
  6. Step 6: Final answer
    x = 22,078.07

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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.