Home / 64,438.83-96,728.96-51,196.95

Finding the Fourth Proportional to 64,438.83, 96,728.96 and 51,196.95

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Solution

The fourth proportional to 64,438.83, 96,728.96 and 51,196.95 is: 76,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.83 : 96,728.96 = 51,196.95 : x
  2. Step 2: Convert to fraction form
    64,438.83/96,728.96 = 51,196.95/x
  3. Step 3: Cross multiply
    64,438.83x = 96,728.96 × 51,196.95
  4. Step 4: Simplify right side
    64,438.83x = 4,952,227,728.67
  5. Step 5: Solve for x
    x = 4,952,227,728.67/64,438.83
  6. Step 6: Final answer
    x = 76,851.61

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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.