Home / 90,476.84-135,694.59-34,323.18

Finding the Fourth Proportional to 90,476.84, 135,694.59 and 34,323.18

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Solution

The fourth proportional to 90,476.84, 135,694.59 and 34,323.18 is: 51,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,476.84 : 135,694.59 = 34,323.18 : x
  2. Step 2: Convert to fraction form
    90,476.84/135,694.59 = 34,323.18/x
  3. Step 3: Cross multiply
    90,476.84x = 135,694.59 × 34,323.18
  4. Step 4: Simplify right side
    90,476.84x = 4,657,469,837.60
  5. Step 5: Solve for x
    x = 4,657,469,837.60/90,476.84
  6. Step 6: Final answer
    x = 51,476.93

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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.