Home / 64,140.06-96,122.61-39,188.82

Finding the Fourth Proportional to 64,140.06, 96,122.61 and 39,188.82

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Solution

The fourth proportional to 64,140.06, 96,122.61 and 39,188.82 is: 58,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.06 : 96,122.61 = 39,188.82 : x
  2. Step 2: Convert to fraction form
    64,140.06/96,122.61 = 39,188.82/x
  3. Step 3: Cross multiply
    64,140.06x = 96,122.61 × 39,188.82
  4. Step 4: Simplify right side
    64,140.06x = 3,766,931,661.22
  5. Step 5: Solve for x
    x = 3,766,931,661.22/64,140.06
  6. Step 6: Final answer
    x = 58,729.78

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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.