Home / 60,677.19-91,056.77-21,234.64

Finding the Fourth Proportional to 60,677.19, 91,056.77 and 21,234.64

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Solution

The fourth proportional to 60,677.19, 91,056.77 and 21,234.64 is: 31,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,677.19 : 91,056.77 = 21,234.64 : x
  2. Step 2: Convert to fraction form
    60,677.19/91,056.77 = 21,234.64/x
  3. Step 3: Cross multiply
    60,677.19x = 91,056.77 × 21,234.64
  4. Step 4: Simplify right side
    60,677.19x = 1,933,557,730.51
  5. Step 5: Solve for x
    x = 1,933,557,730.51/60,677.19
  6. Step 6: Final answer
    x = 31,866.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.