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Finding the Fourth Proportional to 62,751.09, 86,673.71 and 46,906.28

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Solution

The fourth proportional to 62,751.09, 86,673.71 and 46,906.28 is: 64,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.09 : 86,673.71 = 46,906.28 : x
  2. Step 2: Convert to fraction form
    62,751.09/86,673.71 = 46,906.28/x
  3. Step 3: Cross multiply
    62,751.09x = 86,673.71 × 46,906.28
  4. Step 4: Simplify right side
    62,751.09x = 4,065,541,309.90
  5. Step 5: Solve for x
    x = 4,065,541,309.90/62,751.09
  6. Step 6: Final answer
    x = 64,788.38

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1.5x scale

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.