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Finding the Fourth Proportional to 65,469.80, 98,156.70 and 26,007.40

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Solution

The fourth proportional to 65,469.80, 98,156.70 and 26,007.40 is: 38,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,469.80 : 98,156.70 = 26,007.40 : x
  2. Step 2: Convert to fraction form
    65,469.80/98,156.70 = 26,007.40/x
  3. Step 3: Cross multiply
    65,469.80x = 98,156.70 × 26,007.40
  4. Step 4: Simplify right side
    65,469.80x = 2,552,800,559.58
  5. Step 5: Solve for x
    x = 2,552,800,559.58/65,469.80
  6. Step 6: Final answer
    x = 38,992.03

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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.