Home / 64,214.20-96,469.08-45,540.40

Finding the Fourth Proportional to 64,214.20, 96,469.08 and 45,540.40

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Solution

The fourth proportional to 64,214.20, 96,469.08 and 45,540.40 is: 68,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,214.20 : 96,469.08 = 45,540.40 : x
  2. Step 2: Convert to fraction form
    64,214.20/96,469.08 = 45,540.40/x
  3. Step 3: Cross multiply
    64,214.20x = 96,469.08 × 45,540.40
  4. Step 4: Simplify right side
    64,214.20x = 4,393,240,490.83
  5. Step 5: Solve for x
    x = 4,393,240,490.83/64,214.20
  6. Step 6: Final answer
    x = 68,415.40

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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.