Home / 66,354.14-91,572.56-49,972.03

Finding the Fourth Proportional to 66,354.14, 91,572.56 and 49,972.03

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Solution

The fourth proportional to 66,354.14, 91,572.56 and 49,972.03 is: 68,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,354.14 : 91,572.56 = 49,972.03 : x
  2. Step 2: Convert to fraction form
    66,354.14/91,572.56 = 49,972.03/x
  3. Step 3: Cross multiply
    66,354.14x = 91,572.56 × 49,972.03
  4. Step 4: Simplify right side
    66,354.14x = 4,576,066,424.10
  5. Step 5: Solve for x
    x = 4,576,066,424.10/66,354.14
  6. Step 6: Final answer
    x = 68,964.29

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1.5x scale

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.