Home / 85,051.36-117,363.25-49,243.79

Finding the Fourth Proportional to 85,051.36, 117,363.25 and 49,243.79

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Solution

The fourth proportional to 85,051.36, 117,363.25 and 49,243.79 is: 67,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.36 : 117,363.25 = 49,243.79 : x
  2. Step 2: Convert to fraction form
    85,051.36/117,363.25 = 49,243.79/x
  3. Step 3: Cross multiply
    85,051.36x = 117,363.25 × 49,243.79
  4. Step 4: Simplify right side
    85,051.36x = 5,779,411,236.72
  5. Step 5: Solve for x
    x = 5,779,411,236.72/85,051.36
  6. Step 6: Final answer
    x = 67,952.01

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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.