Home / 61,850.82-85,315.77-54,291.18

Finding the Fourth Proportional to 61,850.82, 85,315.77 and 54,291.18

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Solution

The fourth proportional to 61,850.82, 85,315.77 and 54,291.18 is: 74,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.82 : 85,315.77 = 54,291.18 : x
  2. Step 2: Convert to fraction form
    61,850.82/85,315.77 = 54,291.18/x
  3. Step 3: Cross multiply
    61,850.82x = 85,315.77 × 54,291.18
  4. Step 4: Simplify right side
    61,850.82x = 4,631,893,825.91
  5. Step 5: Solve for x
    x = 4,631,893,825.91/61,850.82
  6. Step 6: Final answer
    x = 74,888.16

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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.