Home / 66,541.30-91,822.87-36,320.45

Finding the Fourth Proportional to 66,541.30, 91,822.87 and 36,320.45

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Solution

The fourth proportional to 66,541.30, 91,822.87 and 36,320.45 is: 50,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.30 : 91,822.87 = 36,320.45 : x
  2. Step 2: Convert to fraction form
    66,541.30/91,822.87 = 36,320.45/x
  3. Step 3: Cross multiply
    66,541.30x = 91,822.87 × 36,320.45
  4. Step 4: Simplify right side
    66,541.30x = 3,335,047,857.18
  5. Step 5: Solve for x
    x = 3,335,047,857.18/66,541.30
  6. Step 6: Final answer
    x = 50,119.97

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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.