Home / 79,669.50-109,949.16-46,135.50

Finding the Fourth Proportional to 79,669.50, 109,949.16 and 46,135.50

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Solution

The fourth proportional to 79,669.50, 109,949.16 and 46,135.50 is: 63,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,669.50 : 109,949.16 = 46,135.50 : x
  2. Step 2: Convert to fraction form
    79,669.50/109,949.16 = 46,135.50/x
  3. Step 3: Cross multiply
    79,669.50x = 109,949.16 × 46,135.50
  4. Step 4: Simplify right side
    79,669.50x = 5,072,559,471.18
  5. Step 5: Solve for x
    x = 5,072,559,471.18/79,669.50
  6. Step 6: Final answer
    x = 63,670.03

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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.