Home / 66,097.46-91,180.70-42,199.01

Finding the Fourth Proportional to 66,097.46, 91,180.70 and 42,199.01

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Solution

The fourth proportional to 66,097.46, 91,180.70 and 42,199.01 is: 58,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,097.46 : 91,180.70 = 42,199.01 : x
  2. Step 2: Convert to fraction form
    66,097.46/91,180.70 = 42,199.01/x
  3. Step 3: Cross multiply
    66,097.46x = 91,180.70 × 42,199.01
  4. Step 4: Simplify right side
    66,097.46x = 3,847,735,288.06
  5. Step 5: Solve for x
    x = 3,847,735,288.06/66,097.46
  6. Step 6: Final answer
    x = 58,213.06

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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.