Home / 49,046.81-67,683.95-28,904.54

Finding the Fourth Proportional to 49,046.81, 67,683.95 and 28,904.54

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Solution

The fourth proportional to 49,046.81, 67,683.95 and 28,904.54 is: 39,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.81 : 67,683.95 = 28,904.54 : x
  2. Step 2: Convert to fraction form
    49,046.81/67,683.95 = 28,904.54/x
  3. Step 3: Cross multiply
    49,046.81x = 67,683.95 × 28,904.54
  4. Step 4: Simplify right side
    49,046.81x = 1,956,372,957.19
  5. Step 5: Solve for x
    x = 1,956,372,957.19/49,046.81
  6. Step 6: Final answer
    x = 39,887.88

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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.