Home / 73,155.29-109,779.06-28,776.27

Finding the Fourth Proportional to 73,155.29, 109,779.06 and 28,776.27

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Solution

The fourth proportional to 73,155.29, 109,779.06 and 28,776.27 is: 43,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,155.29 : 109,779.06 = 28,776.27 : x
  2. Step 2: Convert to fraction form
    73,155.29/109,779.06 = 28,776.27/x
  3. Step 3: Cross multiply
    73,155.29x = 109,779.06 × 28,776.27
  4. Step 4: Simplify right side
    73,155.29x = 3,159,032,217.29
  5. Step 5: Solve for x
    x = 3,159,032,217.29/73,155.29
  6. Step 6: Final answer
    x = 43,182.56

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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.