Home / 61,528.12-92,313.59-19,414.71

Finding the Fourth Proportional to 61,528.12, 92,313.59 and 19,414.71

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Solution

The fourth proportional to 61,528.12, 92,313.59 and 19,414.71 is: 29,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528.12 : 92,313.59 = 19,414.71 : x
  2. Step 2: Convert to fraction form
    61,528.12/92,313.59 = 19,414.71/x
  3. Step 3: Cross multiply
    61,528.12x = 92,313.59 × 19,414.71
  4. Step 4: Simplify right side
    61,528.12x = 1,792,241,020.27
  5. Step 5: Solve for x
    x = 1,792,241,020.27/61,528.12
  6. Step 6: Final answer
    x = 29,128.81

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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.