Home / 55,299.11-82,948.64-13,746.11

Finding the Fourth Proportional to 55,299.11, 82,948.64 and 13,746.11

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Solution

The fourth proportional to 55,299.11, 82,948.64 and 13,746.11 is: 20,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.11 : 82,948.64 = 13,746.11 : x
  2. Step 2: Convert to fraction form
    55,299.11/82,948.64 = 13,746.11/x
  3. Step 3: Cross multiply
    55,299.11x = 82,948.64 × 13,746.11
  4. Step 4: Simplify right side
    55,299.11x = 1,140,220,646.32
  5. Step 5: Solve for x
    x = 1,140,220,646.32/55,299.11
  6. Step 6: Final answer
    x = 20,619.15

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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.