Home / 67,447.09-101,285.46-64,625.86

Finding the Fourth Proportional to 67,447.09, 101,285.46 and 64,625.86

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Solution

The fourth proportional to 67,447.09, 101,285.46 and 64,625.86 is: 97,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,447.09 : 101,285.46 = 64,625.86 : x
  2. Step 2: Convert to fraction form
    67,447.09/101,285.46 = 64,625.86/x
  3. Step 3: Cross multiply
    67,447.09x = 101,285.46 × 64,625.86
  4. Step 4: Simplify right side
    67,447.09x = 6,545,660,084.60
  5. Step 5: Solve for x
    x = 6,545,660,084.60/67,447.09
  6. Step 6: Final answer
    x = 97,048.81

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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.