Home / 66,237.84-91,376.10-39,361.33

Finding the Fourth Proportional to 66,237.84, 91,376.10 and 39,361.33

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Solution

The fourth proportional to 66,237.84, 91,376.10 and 39,361.33 is: 54,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.84 : 91,376.10 = 39,361.33 : x
  2. Step 2: Convert to fraction form
    66,237.84/91,376.10 = 39,361.33/x
  3. Step 3: Cross multiply
    66,237.84x = 91,376.10 × 39,361.33
  4. Step 4: Simplify right side
    66,237.84x = 3,596,684,826.21
  5. Step 5: Solve for x
    x = 3,596,684,826.21/66,237.84
  6. Step 6: Final answer
    x = 54,299.55

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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.