Home / 66,240.94-99,361.41-38,519.50

Finding the Fourth Proportional to 66,240.94, 99,361.41 and 38,519.50

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Solution

The fourth proportional to 66,240.94, 99,361.41 and 38,519.50 is: 57,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.94 : 99,361.41 = 38,519.50 : x
  2. Step 2: Convert to fraction form
    66,240.94/99,361.41 = 38,519.50/x
  3. Step 3: Cross multiply
    66,240.94x = 99,361.41 × 38,519.50
  4. Step 4: Simplify right side
    66,240.94x = 3,827,351,832.50
  5. Step 5: Solve for x
    x = 3,827,351,832.50/66,240.94
  6. Step 6: Final answer
    x = 57,779.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.