Home / 64,884.20-97,211.10-40,231.40

Finding the Fourth Proportional to 64,884.20, 97,211.10 and 40,231.40

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Solution

The fourth proportional to 64,884.20, 97,211.10 and 40,231.40 is: 60,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.20 : 97,211.10 = 40,231.40 : x
  2. Step 2: Convert to fraction form
    64,884.20/97,211.10 = 40,231.40/x
  3. Step 3: Cross multiply
    64,884.20x = 97,211.10 × 40,231.40
  4. Step 4: Simplify right side
    64,884.20x = 3,910,938,648.54
  5. Step 5: Solve for x
    x = 3,910,938,648.54/64,884.20
  6. Step 6: Final answer
    x = 60,275.67

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1.5x scale

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.