Home / 66,162.02-91,318.02-40,690.29

Finding the Fourth Proportional to 66,162.02, 91,318.02 and 40,690.29

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Solution

The fourth proportional to 66,162.02, 91,318.02 and 40,690.29 is: 56,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.02 : 91,318.02 = 40,690.29 : x
  2. Step 2: Convert to fraction form
    66,162.02/91,318.02 = 40,690.29/x
  3. Step 3: Cross multiply
    66,162.02x = 91,318.02 × 40,690.29
  4. Step 4: Simplify right side
    66,162.02x = 3,715,756,905.88
  5. Step 5: Solve for x
    x = 3,715,756,905.88/66,162.02
  6. Step 6: Final answer
    x = 56,161.48

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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.