Home / 64,880.20-97,205.10-40,227.40

Finding the Fourth Proportional to 64,880.20, 97,205.10 and 40,227.40

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Solution

The fourth proportional to 64,880.20, 97,205.10 and 40,227.40 is: 60,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.20 : 97,205.10 = 40,227.40 : x
  2. Step 2: Convert to fraction form
    64,880.20/97,205.10 = 40,227.40/x
  3. Step 3: Cross multiply
    64,880.20x = 97,205.10 × 40,227.40
  4. Step 4: Simplify right side
    64,880.20x = 3,910,308,439.74
  5. Step 5: Solve for x
    x = 3,910,308,439.74/64,880.20
  6. Step 6: Final answer
    x = 60,269.67

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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.