Home / 89,814.78-134,805.60-45,472.95

Finding the Fourth Proportional to 89,814.78, 134,805.60 and 45,472.95

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Solution

The fourth proportional to 89,814.78, 134,805.60 and 45,472.95 is: 68,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.78 : 134,805.60 = 45,472.95 : x
  2. Step 2: Convert to fraction form
    89,814.78/134,805.60 = 45,472.95/x
  3. Step 3: Cross multiply
    89,814.78x = 134,805.60 × 45,472.95
  4. Step 4: Simplify right side
    89,814.78x = 6,130,008,308.52
  5. Step 5: Solve for x
    x = 6,130,008,308.52/89,814.78
  6. Step 6: Final answer
    x = 68,251.67

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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.