Home / 90,377.10-135,539.73-34,960.14

Finding the Fourth Proportional to 90,377.10, 135,539.73 and 34,960.14

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Solution

The fourth proportional to 90,377.10, 135,539.73 and 34,960.14 is: 52,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,377.10 : 135,539.73 = 34,960.14 : x
  2. Step 2: Convert to fraction form
    90,377.10/135,539.73 = 34,960.14/x
  3. Step 3: Cross multiply
    90,377.10x = 135,539.73 × 34,960.14
  4. Step 4: Simplify right side
    90,377.10x = 4,738,487,936.36
  5. Step 5: Solve for x
    x = 4,738,487,936.36/90,377.10
  6. Step 6: Final answer
    x = 52,430.18

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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.