Home / 66,429.67-91,698.54-48,665.77

Finding the Fourth Proportional to 66,429.67, 91,698.54 and 48,665.77

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Solution

The fourth proportional to 66,429.67, 91,698.54 and 48,665.77 is: 67,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.67 : 91,698.54 = 48,665.77 : x
  2. Step 2: Convert to fraction form
    66,429.67/91,698.54 = 48,665.77/x
  3. Step 3: Cross multiply
    66,429.67x = 91,698.54 × 48,665.77
  4. Step 4: Simplify right side
    66,429.67x = 4,462,580,056.98
  5. Step 5: Solve for x
    x = 4,462,580,056.98/66,429.67
  6. Step 6: Final answer
    x = 67,177.51

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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.