Home / 56,277.12-84,409.92-14,718.72

Finding the Fourth Proportional to 56,277.12, 84,409.92 and 14,718.72

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Solution

The fourth proportional to 56,277.12, 84,409.92 and 14,718.72 is: 22,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.12 : 84,409.92 = 14,718.72 : x
  2. Step 2: Convert to fraction form
    56,277.12/84,409.92 = 14,718.72/x
  3. Step 3: Cross multiply
    56,277.12x = 84,409.92 × 14,718.72
  4. Step 4: Simplify right side
    56,277.12x = 1,242,405,977.70
  5. Step 5: Solve for x
    x = 1,242,405,977.70/56,277.12
  6. Step 6: Final answer
    x = 22,076.57

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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.