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Finding the Fourth Proportional to 65,000.40, 97,500.60 and 35,475.90

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Solution

The fourth proportional to 65,000.40, 97,500.60 and 35,475.90 is: 53,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,000.40 : 97,500.60 = 35,475.90 : x
  2. Step 2: Convert to fraction form
    65,000.40/97,500.60 = 35,475.90/x
  3. Step 3: Cross multiply
    65,000.40x = 97,500.60 × 35,475.90
  4. Step 4: Simplify right side
    65,000.40x = 3,458,921,535.54
  5. Step 5: Solve for x
    x = 3,458,921,535.54/65,000.40
  6. Step 6: Final answer
    x = 53,213.85

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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.