Home / 66,172.82-99,263.54-48,456.50

Finding the Fourth Proportional to 66,172.82, 99,263.54 and 48,456.50

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Solution

The fourth proportional to 66,172.82, 99,263.54 and 48,456.50 is: 72,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172.82 : 99,263.54 = 48,456.50 : x
  2. Step 2: Convert to fraction form
    66,172.82/99,263.54 = 48,456.50/x
  3. Step 3: Cross multiply
    66,172.82x = 99,263.54 × 48,456.50
  4. Step 4: Simplify right side
    66,172.82x = 4,809,963,350.83
  5. Step 5: Solve for x
    x = 4,809,963,350.83/66,172.82
  6. Step 6: Final answer
    x = 72,687.91

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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.