Home / 90,363.67-135,591.98-43,032.43

Finding the Fourth Proportional to 90,363.67, 135,591.98 and 43,032.43

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Solution

The fourth proportional to 90,363.67, 135,591.98 and 43,032.43 is: 64,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.67 : 135,591.98 = 43,032.43 : x
  2. Step 2: Convert to fraction form
    90,363.67/135,591.98 = 43,032.43/x
  3. Step 3: Cross multiply
    90,363.67x = 135,591.98 × 43,032.43
  4. Step 4: Simplify right side
    90,363.67x = 5,834,852,342.24
  5. Step 5: Solve for x
    x = 5,834,852,342.24/90,363.67
  6. Step 6: Final answer
    x = 64,570.78

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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.