Home / 73,429.29-110,148.12-20,834.64

Finding the Fourth Proportional to 73,429.29, 110,148.12 and 20,834.64

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Solution

The fourth proportional to 73,429.29, 110,148.12 and 20,834.64 is: 31,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429.29 : 110,148.12 = 20,834.64 : x
  2. Step 2: Convert to fraction form
    73,429.29/110,148.12 = 20,834.64/x
  3. Step 3: Cross multiply
    73,429.29x = 110,148.12 × 20,834.64
  4. Step 4: Simplify right side
    73,429.29x = 2,294,896,426.88
  5. Step 5: Solve for x
    x = 2,294,896,426.88/73,429.29
  6. Step 6: Final answer
    x = 31,253.15

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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.