Home / 69,146.40-103,725.04-34,066.92

Finding the Fourth Proportional to 69,146.40, 103,725.04 and 34,066.92

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Solution

The fourth proportional to 69,146.40, 103,725.04 and 34,066.92 is: 51,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,146.40 : 103,725.04 = 34,066.92 : x
  2. Step 2: Convert to fraction form
    69,146.40/103,725.04 = 34,066.92/x
  3. Step 3: Cross multiply
    69,146.40x = 103,725.04 × 34,066.92
  4. Step 4: Simplify right side
    69,146.40x = 3,533,592,639.68
  5. Step 5: Solve for x
    x = 3,533,592,639.68/69,146.40
  6. Step 6: Final answer
    x = 51,103.06

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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.