Home / 52,455.46-78,706.45-27,489.58

Finding the Fourth Proportional to 52,455.46, 78,706.45 and 27,489.58

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Solution

The fourth proportional to 52,455.46, 78,706.45 and 27,489.58 is: 41,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.46 : 78,706.45 = 27,489.58 : x
  2. Step 2: Convert to fraction form
    52,455.46/78,706.45 = 27,489.58/x
  3. Step 3: Cross multiply
    52,455.46x = 78,706.45 × 27,489.58
  4. Step 4: Simplify right side
    52,455.46x = 2,163,606,722.81
  5. Step 5: Solve for x
    x = 2,163,606,722.81/52,455.46
  6. Step 6: Final answer
    x = 41,246.55

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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.