Home / 90,426.40-135,611.89-62,525.75

Finding the Fourth Proportional to 90,426.40, 135,611.89 and 62,525.75

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Solution

The fourth proportional to 90,426.40, 135,611.89 and 62,525.75 is: 93,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.40 : 135,611.89 = 62,525.75 : x
  2. Step 2: Convert to fraction form
    90,426.40/135,611.89 = 62,525.75/x
  3. Step 3: Cross multiply
    90,426.40x = 135,611.89 × 62,525.75
  4. Step 4: Simplify right side
    90,426.40x = 8,479,234,678.20
  5. Step 5: Solve for x
    x = 8,479,234,678.20/90,426.40
  6. Step 6: Final answer
    x = 93,769.46

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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.