Home / 69,214.13-103,834.12-47,666.46

Finding the Fourth Proportional to 69,214.13, 103,834.12 and 47,666.46

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Solution

The fourth proportional to 69,214.13, 103,834.12 and 47,666.46 is: 71,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,214.13 : 103,834.12 = 47,666.46 : x
  2. Step 2: Convert to fraction form
    69,214.13/103,834.12 = 47,666.46/x
  3. Step 3: Cross multiply
    69,214.13x = 103,834.12 × 47,666.46
  4. Step 4: Simplify right side
    69,214.13x = 4,949,404,689.28
  5. Step 5: Solve for x
    x = 4,949,404,689.28/69,214.13
  6. Step 6: Final answer
    x = 71,508.59

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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.