Home / 61,355.32-84,649.99-50,005.31

Finding the Fourth Proportional to 61,355.32, 84,649.99 and 50,005.31

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Solution

The fourth proportional to 61,355.32, 84,649.99 and 50,005.31 is: 68,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,355.32 : 84,649.99 = 50,005.31 : x
  2. Step 2: Convert to fraction form
    61,355.32/84,649.99 = 50,005.31/x
  3. Step 3: Cross multiply
    61,355.32x = 84,649.99 × 50,005.31
  4. Step 4: Simplify right side
    61,355.32x = 4,232,948,991.45
  5. Step 5: Solve for x
    x = 4,232,948,991.45/61,355.32
  6. Step 6: Final answer
    x = 68,990.74

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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.