Home / 61,368.12-84,743.46-38,747.16

Finding the Fourth Proportional to 61,368.12, 84,743.46 and 38,747.16

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Solution

The fourth proportional to 61,368.12, 84,743.46 and 38,747.16 is: 53,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,368.12 : 84,743.46 = 38,747.16 : x
  2. Step 2: Convert to fraction form
    61,368.12/84,743.46 = 38,747.16/x
  3. Step 3: Cross multiply
    61,368.12x = 84,743.46 × 38,747.16
  4. Step 4: Simplify right side
    61,368.12x = 3,283,568,403.57
  5. Step 5: Solve for x
    x = 3,283,568,403.57/61,368.12
  6. Step 6: Final answer
    x = 53,506.09

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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.