Home / 90,270.99-124,575.28-49,984.67

Finding the Fourth Proportional to 90,270.99, 124,575.28 and 49,984.67

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Solution

The fourth proportional to 90,270.99, 124,575.28 and 49,984.67 is: 68,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.99 : 124,575.28 = 49,984.67 : x
  2. Step 2: Convert to fraction form
    90,270.99/124,575.28 = 49,984.67/x
  3. Step 3: Cross multiply
    90,270.99x = 124,575.28 × 49,984.67
  4. Step 4: Simplify right side
    90,270.99x = 6,226,854,447.43
  5. Step 5: Solve for x
    x = 6,226,854,447.43/90,270.99
  6. Step 6: Final answer
    x = 68,979.57

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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.