Home / 66,181.08-91,331.64-37,895.88

Finding the Fourth Proportional to 66,181.08, 91,331.64 and 37,895.88

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Solution

The fourth proportional to 66,181.08, 91,331.64 and 37,895.88 is: 52,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.08 : 91,331.64 = 37,895.88 : x
  2. Step 2: Convert to fraction form
    66,181.08/91,331.64 = 37,895.88/x
  3. Step 3: Cross multiply
    66,181.08x = 91,331.64 × 37,895.88
  4. Step 4: Simplify right side
    66,181.08x = 3,461,092,869.64
  5. Step 5: Solve for x
    x = 3,461,092,869.64/66,181.08
  6. Step 6: Final answer
    x = 52,297.32

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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.