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Finding the Fourth Proportional to 60,469.92, 90,774 and 35,897.76

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Solution

The fourth proportional to 60,469.92, 90,774 and 35,897.76 is: 53,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,469.92 : 90,774 = 35,897.76 : x
  2. Step 2: Convert to fraction form
    60,469.92/90,774 = 35,897.76/x
  3. Step 3: Cross multiply
    60,469.92x = 90,774 × 35,897.76
  4. Step 4: Simplify right side
    60,469.92x = 3,258,583,266.24
  5. Step 5: Solve for x
    x = 3,258,583,266.24/60,469.92
  6. Step 6: Final answer
    x = 53,887.67

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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.