Home / 90,551.04-135,826.02-49,260.48

Finding the Fourth Proportional to 90,551.04, 135,826.02 and 49,260.48

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Solution

The fourth proportional to 90,551.04, 135,826.02 and 49,260.48 is: 73,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.04 : 135,826.02 = 49,260.48 : x
  2. Step 2: Convert to fraction form
    90,551.04/135,826.02 = 49,260.48/x
  3. Step 3: Cross multiply
    90,551.04x = 135,826.02 × 49,260.48
  4. Step 4: Simplify right side
    90,551.04x = 6,690,854,941.69
  5. Step 5: Solve for x
    x = 6,690,854,941.69/90,551.04
  6. Step 6: Final answer
    x = 73,890.43

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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.