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Finding the Fourth Proportional to 61,340.48, 84,649.44 and 34,844.48

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Solution

The fourth proportional to 61,340.48, 84,649.44 and 34,844.48 is: 48,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,340.48 : 84,649.44 = 34,844.48 : x
  2. Step 2: Convert to fraction form
    61,340.48/84,649.44 = 34,844.48/x
  3. Step 3: Cross multiply
    61,340.48x = 84,649.44 × 34,844.48
  4. Step 4: Simplify right side
    61,340.48x = 2,949,565,719.09
  5. Step 5: Solve for x
    x = 2,949,565,719.09/61,340.48
  6. Step 6: Final answer
    x = 48,085.14

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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.