Home / 66,134.81-91,263.38-35,919.32

Finding the Fourth Proportional to 66,134.81, 91,263.38 and 35,919.32

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Solution

The fourth proportional to 66,134.81, 91,263.38 and 35,919.32 is: 49,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.81 : 91,263.38 = 35,919.32 : x
  2. Step 2: Convert to fraction form
    66,134.81/91,263.38 = 35,919.32/x
  3. Step 3: Cross multiply
    66,134.81x = 91,263.38 × 35,919.32
  4. Step 4: Simplify right side
    66,134.81x = 3,278,117,914.59
  5. Step 5: Solve for x
    x = 3,278,117,914.59/66,134.81
  6. Step 6: Final answer
    x = 49,567.21

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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.