Home / 66,741.48-100,140.08-29,282.20

Finding the Fourth Proportional to 66,741.48, 100,140.08 and 29,282.20

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Solution

The fourth proportional to 66,741.48, 100,140.08 and 29,282.20 is: 43,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.48 : 100,140.08 = 29,282.20 : x
  2. Step 2: Convert to fraction form
    66,741.48/100,140.08 = 29,282.20/x
  3. Step 3: Cross multiply
    66,741.48x = 100,140.08 × 29,282.20
  4. Step 4: Simplify right side
    66,741.48x = 2,932,321,850.58
  5. Step 5: Solve for x
    x = 2,932,321,850.58/66,741.48
  6. Step 6: Final answer
    x = 43,935.52

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1.5x scale

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.