Home / 66,134.42-91,254.83-40,632.58

Finding the Fourth Proportional to 66,134.42, 91,254.83 and 40,632.58

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Solution

The fourth proportional to 66,134.42, 91,254.83 and 40,632.58 is: 56,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.42 : 91,254.83 = 40,632.58 : x
  2. Step 2: Convert to fraction form
    66,134.42/91,254.83 = 40,632.58/x
  3. Step 3: Cross multiply
    66,134.42x = 91,254.83 × 40,632.58
  4. Step 4: Simplify right side
    66,134.42x = 3,707,919,281.94
  5. Step 5: Solve for x
    x = 3,707,919,281.94/66,134.42
  6. Step 6: Final answer
    x = 56,066.41

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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.