Home / 66,206.80-91,342.56-37,522.36

Finding the Fourth Proportional to 66,206.80, 91,342.56 and 37,522.36

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Solution

The fourth proportional to 66,206.80, 91,342.56 and 37,522.36 is: 51,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.80 : 91,342.56 = 37,522.36 : x
  2. Step 2: Convert to fraction form
    66,206.80/91,342.56 = 37,522.36/x
  3. Step 3: Cross multiply
    66,206.80x = 91,342.56 × 37,522.36
  4. Step 4: Simplify right side
    66,206.80x = 3,427,388,419.64
  5. Step 5: Solve for x
    x = 3,427,388,419.64/66,206.80
  6. Step 6: Final answer
    x = 51,767.92

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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.