Home / 90,761.07-135,849.60-48,535.50

Finding the Fourth Proportional to 90,761.07, 135,849.60 and 48,535.50

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Solution

The fourth proportional to 90,761.07, 135,849.60 and 48,535.50 is: 72,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,761.07 : 135,849.60 = 48,535.50 : x
  2. Step 2: Convert to fraction form
    90,761.07/135,849.60 = 48,535.50/x
  3. Step 3: Cross multiply
    90,761.07x = 135,849.60 × 48,535.50
  4. Step 4: Simplify right side
    90,761.07x = 6,593,528,260.80
  5. Step 5: Solve for x
    x = 6,593,528,260.80/90,761.07
  6. Step 6: Final answer
    x = 72,647.10

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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.