Home / 61,845.35-85,308.62-54,652.19

Finding the Fourth Proportional to 61,845.35, 85,308.62 and 54,652.19

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Solution

The fourth proportional to 61,845.35, 85,308.62 and 54,652.19 is: 75,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,845.35 : 85,308.62 = 54,652.19 : x
  2. Step 2: Convert to fraction form
    61,845.35/85,308.62 = 54,652.19/x
  3. Step 3: Cross multiply
    61,845.35x = 85,308.62 × 54,652.19
  4. Step 4: Simplify right side
    61,845.35x = 4,662,302,209.07
  5. Step 5: Solve for x
    x = 4,662,302,209.07/61,845.35
  6. Step 6: Final answer
    x = 75,386.46

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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.