Home / 64,723.56-96,960.95-39,690.61

Finding the Fourth Proportional to 64,723.56, 96,960.95 and 39,690.61

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Solution

The fourth proportional to 64,723.56, 96,960.95 and 39,690.61 is: 59,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.56 : 96,960.95 = 39,690.61 : x
  2. Step 2: Convert to fraction form
    64,723.56/96,960.95 = 39,690.61/x
  3. Step 3: Cross multiply
    64,723.56x = 96,960.95 × 39,690.61
  4. Step 4: Simplify right side
    64,723.56x = 3,848,438,959.66
  5. Step 5: Solve for x
    x = 3,848,438,959.66/64,723.56
  6. Step 6: Final answer
    x = 59,459.63

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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.