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Finding the Fourth Proportional to 62,751.70, 86,596.86 and 34,457.32

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Solution

The fourth proportional to 62,751.70, 86,596.86 and 34,457.32 is: 47,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.70 : 86,596.86 = 34,457.32 : x
  2. Step 2: Convert to fraction form
    62,751.70/86,596.86 = 34,457.32/x
  3. Step 3: Cross multiply
    62,751.70x = 86,596.86 × 34,457.32
  4. Step 4: Simplify right side
    62,751.70x = 2,983,895,716.02
  5. Step 5: Solve for x
    x = 2,983,895,716.02/62,751.70
  6. Step 6: Final answer
    x = 47,550.83

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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.