Home / 90,635.31-135,813.24-48,520.98

Finding the Fourth Proportional to 90,635.31, 135,813.24 and 48,520.98

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Solution

The fourth proportional to 90,635.31, 135,813.24 and 48,520.98 is: 72,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.31 : 135,813.24 = 48,520.98 : x
  2. Step 2: Convert to fraction form
    90,635.31/135,813.24 = 48,520.98/x
  3. Step 3: Cross multiply
    90,635.31x = 135,813.24 × 48,520.98
  4. Step 4: Simplify right side
    90,635.31x = 6,589,791,501.78
  5. Step 5: Solve for x
    x = 6,589,791,501.78/90,635.31
  6. Step 6: Final answer
    x = 72,706.67

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1.5x scale

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.