Home / 55,619.10-83,428.77-13,499.01

Finding the Fourth Proportional to 55,619.10, 83,428.77 and 13,499.01

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Solution

The fourth proportional to 55,619.10, 83,428.77 and 13,499.01 is: 20,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.10 : 83,428.77 = 13,499.01 : x
  2. Step 2: Convert to fraction form
    55,619.10/83,428.77 = 13,499.01/x
  3. Step 3: Cross multiply
    55,619.10x = 83,428.77 × 13,499.01
  4. Step 4: Simplify right side
    55,619.10x = 1,126,205,800.52
  5. Step 5: Solve for x
    x = 1,126,205,800.52/55,619.10
  6. Step 6: Final answer
    x = 20,248.54

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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.