Home / 61,683.81-85,267.13-55,035.33

Finding the Fourth Proportional to 61,683.81, 85,267.13 and 55,035.33

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Solution

The fourth proportional to 61,683.81, 85,267.13 and 55,035.33 is: 76,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.81 : 85,267.13 = 55,035.33 : x
  2. Step 2: Convert to fraction form
    61,683.81/85,267.13 = 55,035.33/x
  3. Step 3: Cross multiply
    61,683.81x = 85,267.13 × 55,035.33
  4. Step 4: Simplify right side
    61,683.81x = 4,692,704,362.53
  5. Step 5: Solve for x
    x = 4,692,704,362.53/61,683.81
  6. Step 6: Final answer
    x = 76,076.76

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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.