Home / 90,234.57-124,522.20-49,947.47

Finding the Fourth Proportional to 90,234.57, 124,522.20 and 49,947.47

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Solution

The fourth proportional to 90,234.57, 124,522.20 and 49,947.47 is: 68,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234.57 : 124,522.20 = 49,947.47 : x
  2. Step 2: Convert to fraction form
    90,234.57/124,522.20 = 49,947.47/x
  3. Step 3: Cross multiply
    90,234.57x = 124,522.20 × 49,947.47
  4. Step 4: Simplify right side
    90,234.57x = 6,219,567,976.49
  5. Step 5: Solve for x
    x = 6,219,567,976.49/90,234.57
  6. Step 6: Final answer
    x = 68,926.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.