Home / 66,551.25-99,777.66-40,250.16

Finding the Fourth Proportional to 66,551.25, 99,777.66 and 40,250.16

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Solution

The fourth proportional to 66,551.25, 99,777.66 and 40,250.16 is: 60,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.25 : 99,777.66 = 40,250.16 : x
  2. Step 2: Convert to fraction form
    66,551.25/99,777.66 = 40,250.16/x
  3. Step 3: Cross multiply
    66,551.25x = 99,777.66 × 40,250.16
  4. Step 4: Simplify right side
    66,551.25x = 4,016,066,779.43
  5. Step 5: Solve for x
    x = 4,016,066,779.43/66,551.25
  6. Step 6: Final answer
    x = 60,345.47

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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.