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Finding the Fourth Proportional to 64,684.29, 89,234.82 and 46,750.89

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Solution

The fourth proportional to 64,684.29, 89,234.82 and 46,750.89 is: 64,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,684.29 : 89,234.82 = 46,750.89 : x
  2. Step 2: Convert to fraction form
    64,684.29/89,234.82 = 46,750.89/x
  3. Step 3: Cross multiply
    64,684.29x = 89,234.82 × 46,750.89
  4. Step 4: Simplify right side
    64,684.29x = 4,171,807,253.99
  5. Step 5: Solve for x
    x = 4,171,807,253.99/64,684.29
  6. Step 6: Final answer
    x = 64,494.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.