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Finding the Fourth Proportional to 64,234.80, 96,352.20 and 43,239.60

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Solution

The fourth proportional to 64,234.80, 96,352.20 and 43,239.60 is: 64,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.80 : 96,352.20 = 43,239.60 : x
  2. Step 2: Convert to fraction form
    64,234.80/96,352.20 = 43,239.60/x
  3. Step 3: Cross multiply
    64,234.80x = 96,352.20 × 43,239.60
  4. Step 4: Simplify right side
    64,234.80x = 4,166,230,587.12
  5. Step 5: Solve for x
    x = 4,166,230,587.12/64,234.80
  6. Step 6: Final answer
    x = 64,859.40

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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.